Season:
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
unknown
Year:
2005
|
2006
|
2007
|
2008
|
2009
|
2010
|
2011
|
2012
|
2013
|
unknown
| Craig Ferguson | ... | Himself - Host | |
| David Duchovny | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer | |
| Nicole Sullivan | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Jon Cryer | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Keb' Mo' | ... | Musical Guest | |
| Sophie Okonedo | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Howie Day | ... | Himself - Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Julian McMahon | ... | Himself | |
| Aisha Tyler | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Jason Alexander | ... | Himself | |
| Brett Anderson | ... | Musical Guest (as The Donnas) | |
| Torry Castellano | ... | Musical Guest (as The Donnas) | |
| Maya Ford | ... | Musical Guest (as The Donnas) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Allison Robertson | ... | Musical Guest (as The Donnas) | |
| April Scott | ... | Mandy | |
| Hau Thai-Tang | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Garrett Dutton | ... | Himself - Musical Guest (as G. Love) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Jeremy Piven | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| John Goodman | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer | |
| Mario | ... | Himself - Musical Guest | |
| Emmy Rossum | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Little Richard | ... | Himself - Musical Guest | |
| William H. Macy | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Amanda Bynes | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Jim Short | ... | Himself | |
| James Woods | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Nina Bergman | ... | Vegas Girl (as Maria B. Bergman) | |
| Wyclef Jean | ... | Himself - Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Teri Polo | ... | Herself | |
| April Scott | ... | Vegas Girl | |
| Eddie Steeples | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Patricia Arquette | ... | Herself | |
| Peter Bart | ... | Himself | |
| The Exies | ... | Musical Guests | |
| Peter Guber | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Mos Def | ... | Himself - Musical Guest | |
| Renée Fleming | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Ian Bagg | ... | Himself | |
| Nina Bergman | ... | Ashley (as Maria B. Bergman) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Rob Morrow | ... | Himself | |
| Regis Philbin | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Steve Austin | ... | Himself - Guest | |
| Candace Bushnell | ... | Herself | |
| Minnie Driver | ... | Herself | |
| Mike Kimmel | ... | Announcer | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Vince McMahon | ... | Himself - Guest |
| Craig Ferguson | ... | Himself - Host | |
| Maria Bello | ... | Herself | |
| Collective Soul | ... | Themselves - Musical Guest | |
| Samuel L. Jackson | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| The Ditty Bops | ... | Musical Guest | |
| Crispin Glover | ... | Himself | |
| David Kessler | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Tara Reid | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| James Belushi | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Population One | ... | Musical Guest | |
| Kim Raver | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Famke Janssen | ... | Herself | |
| Richard Jeni | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Joe Montana | ... | Himself | |
| John Viener | ... | Weatherman Bob Fogg |
| Craig Ferguson | ... | Himself - Host | |
| Blythe Danner | ... | Herself | |
| Stewart Francis | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Ice Cube | ... | Himself | |
| French Kicks | ... | Themselves - Musical Guest | |
| Steve Jones | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Bjorn Agren | ... | Himself - Musical Guest (as Razorlight) | |
| Johnny Borrell | ... | Himself - Musical Guest (as Razorlight) | |
| Carl Dalemo | ... | Himself - Musical Guest (as Razorlight) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Christian Smith | ... | Himself - Musical Guest (as Razorlight) | |
| Vanessa Williams | ... | Herself | |
| Scott Wolf | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Babydaddy | ... | Himself - Musical Guest (as Scissor Sisters) | |
| Christine Barrett | ... | Herself | |
| Paddy Boom | ... | Himself - Musical Guest (as Scissor Sisters) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Del Marquis | ... | Himself - Musical Guest (as Scissor Sisters) | |
| Ana Matronic | ... | Herself - Musical Guest (as Scissor Sisters) | |
| Katey Sagal | ... | Herself | |
| Jake Shears | ... | Himself - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Jennifer Finnigan | ... | Herself | |
| John Larroquette | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Rickey Smiley | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Emma Bunton | ... | Herself | |
| Stan Lee | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Joe Mantegna | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Laila Ali | ... | Herself | |
| Peter Gallagher | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| LeAnn Rimes | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Philip Bolden | ... | Himself | |
| Andrew Donnelly | ... | Himself | |
| Shannon Elizabeth | ... | Herself | |
| Jeff Gordon | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Jack Blades | ... | Himself - Musical Guest (as 'Night Ranger') | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Neal McDonough | ... | Himself | |
| Ruve McDonough | ... | Herself (as Ruvé Robertson) | |
| Night Ranger | ... | Musical Guest | |
| Imelda Staunton | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Samantha Daniels | ... | Herself | |
| Janet Ferguson | ... | Herself | |
| Randy Jackson | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Greg Proops | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Laura Linney | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Laura Margolis | ... | Herself | |
| Kevin O'Connell | ... | Himself | |
| Barry Watson | ... | Himself | |
| Joshua Weinstein | ... | Mostache Man | |
| Josh Robert Thompson | ... | Robert De Niro / Governor Schwarzenegger (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Star Jones | ... | Herself (as Star Jones Reynolds) | |
| Tracy Kay | ... | Comedy Sketch - Girl in Audience (as Tracy Kay) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Amber Valletta | ... | Herself | |
| The Zutons |
| Craig Ferguson | ... | Himself - Host | |
| Alan Alda | ... | Himself | |
| Steve Earle | ... | Himself - Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Marisa Petroro | ... | James Bond Girl | |
| Tori Spelling | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Bright Eyes | ... | Themselves - Musical Guest | |
| Paul Haggis | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Jane Seymour | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| James Denton | ... | Himself | |
| Courtney Hansen | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Mimi Rogers | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Jennifer Beals | ... | Herself | |
| Interpol | ... | Themselves - Musical Guest | |
| David Krumholtz | ... | Himself | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Kip Madsen | ... | Various Characters (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Sean Astin | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Kathryn Morris | ... | Herself | |
| Madeleine Peyroux | ... | Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Andy Dick | ... | Himself | |
| Julian Fellowes | ... | Himself | |
| Janet Ferguson | ... | Herself (archive footage) | |
| Paul Gilmartin | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| RZA | ... | Himself (archive footage) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Ani Difranco | ... | Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| John C. McGinley | ... | Himself | |
| Bob Schieffer | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Peter Boyle | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Brian McKnight | ... | Himself - Musical Guest | |
| Jenna Morasca | ... | Herself | |
| Ethan Zohn | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Maria Bamford | ... | Herself | |
| Thomas Haden Church | ... | Himself | |
| Don King | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Dave Baksh | ... | Musical Guest (as Sum 41) | |
| Jami Gertz | ... | Herself | |
| Steve Jocz | ... | Himself - Musical Guest (as Sum 41) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Jay McCaslin | ... | Himself - Musical Guest (as Sum 41) | |
| Deryck Whibley | ... | Himself - Musical Guest (as Sum 41) | |
| Steven Wright | ... | Himself | |
| Lindsay Young | ... | Girl |
| Craig Ferguson | ... | Himself - Host | |
| Faye Dunaway | ... | Herself | |
| Damien Escobar | ... | Himself - Musical Guest (as Nuttin' But Stringz) | |
| Tourie Escobar | ... | Himself - Musical Guest (as Nuttin' But Stringz) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Nuttin' But Stringz | ... | Musical Guest | |
| Andrew Wight | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Amy Brenneman | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Paul Westerberg | ... | Himself | |
| James L. White | ... | Himself | |
| Brad Silberling | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Missy 'Misdemeanor' Elliott | ... | Herself (as Missy Elliott) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Judith Owen | ... | Herself | |
| Don Rickles | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Danny Bhoy | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Emily Mortimer | ... | Herself | |
| Jeff Probst | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Stanley Bing | ... | Himself | |
| Juliette Binoche | ... | Herself | |
| Lara Logan | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Ali Costello | ... | Herself | |
| Dave Foley | ... | Himself | |
| Jennifer Love Hewitt | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Scott Russo | ... | Himself - Musical Guest (as Unwritten Law) | |
| Unwritten Law | ... | Musical Guest | |
| Wade Youman | ... | Himself - Musical Guest (as Unwritten Law) |
| Craig Ferguson | ... | Himself - Host | |
| Robert Bell | ... | Himself - Musical Guest (as The Blue Nile) | |
| Paul Buchanan | ... | Himself - Musical Guest (as The Blue Nile) | |
| Joan Collins | ... | Herself | |
| Phil Keoghan | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Paul Joseph Moore | ... | Himself - Musical Guest (as The Blue Nile) | |
| Nigel Thomas | ... | Musical Guest (as The Blue Nile) | |
| James Adomian | ... | George W. Bush (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| David Armand | ... | Himself (as The Hollow Men) | |
| Lawrence Block | ... | Himself | |
| Drew Carey | ... | Himself | |
| The Hollow Men | ... | Themselves | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Rupert Russell | ... | Himself (as The Hollow Men) | |
| Sam Spedding | ... | Himself (as The Hollow Men) | |
| Nick Tanner | ... | Himself (as The Hollow Men) |
| Craig Ferguson | ... | Himself - Host | |
| Deana Carter | ... | Herself - Musical Guest | |
| Maureen Dowd | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Kevin Pollak | ... | Himself | |
| Drew Carey | ... | Himself (archive footage) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Nic Armstrong | ... | Himself - Musical Guest (as Nic Armstrong & The Thieves) | |
| Michael Chiklis | ... | Himself | |
| Tony Hawk | ... | Himself | |
| Shane Lawlor | ... | Musical Guest (as Nic Armstrong & The Thieves) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Nic Armstrong & The Thieves | ... | Musical Guest | |
| Glynn Wedgewood | ... | Himself - Musical Guest (as Nic Armstrong & The Thieves) |
| Craig Ferguson | ... | Himself - Host | |
| Sam Elliott | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Bob Marley | ... | Himself | |
| Amy Yasbeck | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Gerard Butler | ... | Himself | |
| Kathleen Edwards | ... | Musical Guest | |
| Andie MacDowell | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Bruce Block | ... | Skippy Ala King | |
| Chris Klug | ... | Himself | |
| Lisa Loeb | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Wendie Malick | ... | Herself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Steve Austin | ... | Himself (as Stone Cold Steve Austin) | |
| Kos | ... | Himself (as K-Os) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Robert Rodriguez | ... | Himself | |
| James Adomian | ... | George W. Bush (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Carmen Electra | ... | Herself | |
| David Kessler | ... | Himself | |
| Lang Lang | ... | Himself - Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Nick Stahl | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Mädchen Amick | ... | Herself (as Madchen Amick) | |
| Bernie Mac | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Rachel Scdoris | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Elon Gold | ... | Himself | |
| Carla Gugino | ... | Herself | |
| Regina King | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Moby | ... | Himself | |
| Jimmy Smits | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Michael Clarke Duncan | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Mary McCormack | ... | Herself | |
| Becky Petigo | ... | Herself (as Becky Pedigo) |
| Craig Ferguson | ... | Himself - Host | |
| Dakota Dean | ... | Herself | |
| Dave Gorman | ... | Himself | |
| Aidan Gould | ... | Telethon Kid | |
| Cohl Kenneth Klop | ... | Himself (as Cohl Klop) | |
| Ron Livingston | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Hensley | ... | Musical Guest | |
| Jason Lee | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Amber Tamblyn | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Mike Birbiglia | ... | Himself | |
| Zane Carney | ... | Himself | |
| Rulon Gardner | ... | Himself | |
| Eric Idle | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Matt Hales | ... | Himself - Musical Guest (as Aqualung) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Matthew Polly | ... | Himself | |
| Dave Price | ... | Himself | |
| Sara Rue | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Fran Drescher | ... | Herself | |
| Shooter Jennings | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Anton Yelchin | ... | Himself | |
| Moby | ... | Himself - Audience Member (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Dinosaur Jr. | ... | Musical Guest | |
| David Duchovny | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Ryan Reynolds | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Erykah Badu | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Billy Miles | ... | Herself | |
| Suzanne Somers | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Barb MacLeod | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Thandie Newton | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Michael Gelbart | ... | Himself | |
| Paul Haggis | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Gavin Rossdale | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Akiane Kramarik | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Rosie O'Donnell | ... | Herself | |
| Blaine Saunders |
| Craig Ferguson | ... | Himself - Host | |
| The Futureheads | |||
| Anjelica Huston | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Danny Pino | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Kasabian | ... | Themselves - Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Jonathan Rhys Meyers | ... | Himself | |
| Ben Stein | ... | Himself | |
| James Adomian | ... | George W. Bush (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Stewart Francis | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Bill Maher | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Rain Pryor | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Ben Folds | ... | Himself - Musical Guest | |
| Dean Karnazes | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Gary Sinise | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Allison DuBois | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Ozzy Osbourne | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Jim Caviezel | ... | Himself | |
| Mark Everett | ... | Musical Guest (as Eels) | |
| Ana Lenchantin | ... | Herself - Cellist | |
| Phil Lesh | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Mark Harmon | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| RZA | ... | Himself | |
| Joss Stone | ... | Herself - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Charlie Daniels | ... | Himself - Musical Guest | |
| Sanjay Gupta | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Rose McGowan | ... | Herself | |
| James Woods | ... | Himself (archive footage) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Tori Amos | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Leelee Sobieski | ... | Herself | |
| Steve Whitmire | ... | Kermit the Frog (voice) | |
| Bill Barretta | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Kevin Lovejoy | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Bill Pullman | ... | Himself | |
| Ruth Reichl | ... | Herself | |
| Spoon | ... | Themselves - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Eric Bogosian | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Wanda Sykes | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| John Butler | ... | Himself - Musical Guest (as John Butler Trio) | |
| Mike Huckabee | ... | Himself (as Governor Mike Huckabee) | |
| Jack Jason | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Marlee Matlin | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| J.R. Brow | ... | Himself | |
| George Eads | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Joe Walsh | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Michael Tucker | ... | Himself | |
| Sela Ward | ... | Herself | |
| Brian Posehn | ... | Dennis Kilpatrick (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Phil McGraw | ... | Himself (as Dr. Phil McGraw) | |
| Ringside | ... | Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Gary Greff | ... | Himself | |
| Randy Jackson | ... | Himself | |
| Bai Ling | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Masha Tivyan | ... | Russian Lady |
| Craig Ferguson | ... | Himself - Host | |
| Amber Brkich | ... | Herself | |
| Ann Coulter | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Rob Mariano | ... | Himself | |
| Charles Ross | ... | Himself | |
| Charles Ross | ... | Himself | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Dierks Bentley | ... | Himself | |
| Alice Cooper | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Malachy McCourt | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Peter Bart | ... | Himself | |
| Robert Cray | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Donny Osmond | ... | Himself | |
| Ken Jennings | ... | Himself (archive footage) (uncredited) | |
| Alex Trebek | ... | Himself (archive footage) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Bill Barretta | ... | Himself (as Pepe the King Prawn) | |
| Krayzie Bone | ... | Himself | |
| Layzie Bone | ... | Himself | |
| Rachael Leigh Cook | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Chuck Palahniuk | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Tony Alva | ... | Himself | |
| The Daylights | |||
| Seth Green | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Jon Cryer | ... | Himself | |
| Garrison Keillor | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| The Sound of Urchin |
| Craig Ferguson | ... | Himself - Host | |
| Marg Helgenberger | ... | Herself | |
| Saúl Hernandez | ... | Himself (as Jaguares) | |
| Jaguares | |||
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| David Milch | ... | Himself | |
| James Adomian | ... | George W. Bush (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Carlos Alazraqui | ... | Himself | |
| Dennis Hopper | ... | Himself | |
| Marianne Jean-Baptiste | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Toby Keith | ... | Himself - Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Ricky Schroder | ... | Himself (as Rick Schroder) | |
| John Viener | ... | Bob The Groom |
| Craig Ferguson | ... | Himself - Host | |
| Vivica A. Fox | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Poppy Montgomery | ... | Herself | |
| Angie Stone | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Jason Lee | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Midlake | |||
| Drew Pinsky | ... | Himself (as Dr. Drew Pinsky) |
| Craig Ferguson | ... | Himself - Host | |
| Nick Baines | ... | Himself - Musical Guest (as Kaiser Chiefs) | |
| Nick Hodgson | ... | Himself - Musical Guest (as Kaiser Chiefs) | |
| Kaiser Chiefs | ... | Themselves - Musical Guest | |
| Cheryl Ladd | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Simon Rix | ... | Himself - Musical Guest (as Kaiser Chiefs) | |
| Skeet Ulrich | ... | Himself | |
| Andrew White | ... | Himself - Musical Guest (as Kaiser Chiefs) | |
| Ricky Wilson | ... | Himself - Musical Guest (as Kaiser Chiefs) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| John Banzhaf | ... | Himself (as Prof. John Banzhaf) | |
| Fountains of Wayne | ... | Themselves - Musical Guest | |
| Dan Huber | ... | Himself | |
| John Larroquette | ... | Himself | |
| Amos Lee | ... | Himself - Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Steven Wright | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Nikka Costa | ... | Herself - Musical Guest | |
| Tommy Hilfiger | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Lea Thompson | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Nick Hornby | ... | Himself | |
| Thomas Lennon | ... | Himself (as Tom Lennon) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Debbie Reynolds | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Allison Janney | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Philip Rosenthal | ... | Himself (as Phil Rosenthal) | |
| Julian Sands | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Rilo Kiley | ... | Themselves | |
| Peter Krause | ... | Himself | |
| David LaChapelle | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Loretta Devine | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Demetri Martin | ... | Himself | |
| John Waters | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Ellroy | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Mimi Rogers | ... | Herself | |
| Brooke Valentine | ... | Herself - Musical Guest | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Melissa Bank | ... | Herself | |
| Mike Jones | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Jeremy Piven | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Bryan Cranston | ... | Himself | |
| Peter Guber | ... | Himself | |
| The Krumpers & Clowns | ... | Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Ringo & The Roundheads | ... | Musical Guest | |
| Ringo Starr | ... | Himself | |
| Amy Yasbeck | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Nikki Boyer | ... | Sketch comdey actor | |
| Kara Cooney | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Dwight Yoakam | ... | Himself - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Corbin Bernsen | ... | Himself | |
| Leroy Chiao | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Jennifer Tilly | ... | Herself | |
| Phil Laak | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Gregory Nicotero | ... | Himself (as Greg Nicotero) |
| Craig Ferguson | ... | Himself - Host | |
| The Crystal Method | ... | Themselves - Musical Guest | |
| Rachel DeWoskin | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Julian McMahon | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Marisa Marchetto | ... | Herself | |
| Dave Navarro | ... | Himself | |
| Ron Pearson | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Jared Diamond | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Raul Midon | ... | Musical Guest | |
| Tony Shalhoub | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Beau Bridges | ... | Himself | |
| Harry Eden | ... | Himself | |
| Martha Kelly | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Kip Madsen | ... | Various Characters |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Wolf Blitzer | ... | Himself | |
| Karina Lombard | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Nellie McKay | ... | Herself - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Ty Barnett | ... | Himself | |
| Ludacris | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Julie Warner | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Dave Foley | ... | Himself | |
| Marc Horowitz | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Rozonda 'Chilli' Thomas | ... | Herself (as Chilli) | |
| Tionne 'T-Boz' Watkins | ... | Herself (as T-Boz) | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Preston Clarke | ... | Musical Guest | |
| Warren Faidley | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Martin Mull | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Elizabeth Banks | ... | Herself | |
| James Branham | ... | Musical Guest (as Crossfade) | |
| Tony Byroads | ... | Musical Guest (as Crossfade) | |
| Mitch James | ... | Musical Guest (as Crossfade) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Camryn Manheim | ... | Herself | |
| Ed Sloan | ... | Musical Guest (as Crossfade) |
| Craig Ferguson | ... | Himself - Host | |
| Elkland | ... | Musical Guest | |
| Eddie Izzard | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| James Woolsey | ... | Himself (as R. James Woolsey) | |
| Dominic Monaghan | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Peter Arnett | ... | Himself | |
| Isla Fisher | ... | Herself | |
| Wendy Liebman | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Joe Buck | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Pauley Perrette | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Jeff Caldwell | ... | Himself | |
| Paul Feig | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Dermot Mulroney | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Cloris Leachman | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Carlos Mencia | ... | Himself | |
| Mark Zupan | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Jane Kaczmarek | ... | Herself | |
| John Carroll Lynch | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Greg Proops | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Tracy Bonham | ... | Herself - Musical Guest | |
| Julie Chen | ... | Herself | |
| Joseph Fiennes | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Mo'Nique | ... | Herself | |
| Sharon Stone | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Buzz Aldrin | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Method Man | ... | Himself | |
| John Mendoza | ... | Himself | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| David Feherty | ... | Himself | |
| Marilu Henner | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Kevin McDonald | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Kenneth 'Babyface' Edmonds | ... | Himself - Musical Guest (as Babyface) | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Harland Williams | ... | Himself | |
| Evan Rachel Wood | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Kristin Chenoweth | ... | Herself | |
| Marc Cherry | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| James Adomian | ... | George W. Bush (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Hank Azaria | ... | Himself | |
| Natasha Bedingfield | ... | Herself - Musical Guest | |
| Wes Craven | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| D.C. Benny | ... | Himself | |
| Rachel Griffiths | ... | Herself | |
| Tommy Lasorda | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Louis C.K. | ... | Himself | |
| Gigi Grazer | ... | Herself | |
| Arianna Huffington | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Jami Gertz | ... | Herself | |
| 'Missy' Higgins | ... | Herself - Musical Guest (as Missy Higgins) | |
| Steve Howey | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Steve Carell | ... | Himself | |
| Rashida Jones | ... | Herself | |
| Roger Lundblade | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Rosa Blasi | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Carl Reiner | ... | Himself | |
| Rufus Wainwright | ... | Himself - Musical Guest | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Minnie Driver | ... | Herself / Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Todd Zeile | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Mitch Albom | ... | Himself | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer | |
| Eric McCormack | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Duncan Coutts | ... | Himself (as Our Lady Peace) | |
| Carrie Fisher | ... | Herself | |
| Kip Madsen | ... | Various Characters | |
| Raine Maida | ... | Himself (as Our Lady Peace) | |
| Richard Malmos | ... | Announcer | |
| Steve Mazur | ... | Himself (as Our Lady Peace) | |
| Terry McDermott | ... | Himself | |
| Jeremy Taggart | ... | Himself (as Our Lady Peace) |
| Craig Ferguson | ... | Himself - Host | |
| Stanley Bing | ... | Himself | |
| Felicity Huffman | ... | Herself | |
| Last Train Home | ... | Musical Guest | |
| Kip Madsen | ... | Various Characters | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Nickel Creek | ... | Themselves - Musical Guest | |
| Karen Fisher | ... | Herself | |
| Neil Patrick Harris | ... | Himself | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Molly Prather | ... | Sarah Palin |
| Craig Ferguson | ... | Himself - Host | |
| Bruce Campbell | ... | Himself | |
| Melinda Clarke | ... | Herself | |
| Jemaine Clement | ... | Himself (as Flight of the Conchords) | |
| Richard Malmos | ... | Announcer | |
| Bret McKenzie | ... | Himself (as Flight of the Conchords) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Patricia Arquette | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Connie Schultz | ... | Herself | |
| Paul Weller | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Alice Cooper | ... | Himself | |
| Carla Gugino | ... | Herself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Augustana | ... | Themselves | |
| Alyson Hannigan | ... | Herself | |
| Steve Jones | ... | Himself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Institute | ... | Musical Guest | |
| Phil Keoghan | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Cybill Shepherd | ... | Herself | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Ted Alexandro | ... | Himself | |
| Tyra Banks | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Tyler James Williams | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Nina Bergman | ... | Sean Connery's Assistant (as Maria B. Bergman) | |
| Nick Cannon | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Jeff Probst | ... | Himself | |
| Lawrence Turman | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| 30 Seconds to Mars | ... | Themselves - Musical Guest | |
| Seth MacFarlane | ... | Himself | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Aisha Tyler | ... | Herself | |
| Lesley Wolff | ... | Herself | |
| Taryn Manning | ... | Herself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| INXS | ... | Themselves - Musical Guest | |
| Richard Malmos | ... | Announcer | |
| Susan Sarandon | ... | Herself | |
| Tom Everett Scott | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Danny Bonaduce | ... | Himself | |
| Diane Farr | ... | Herself | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Shaggy | ... | Himself - Musical Guest | |
| Ben Stein | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Cathy Belben | ... | Herself | |
| Maria Bello | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Jason Segel | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Alan Alda | ... | Himself | |
| Jennifer Coolidge | ... | Herself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Hayden Adams | ... | Quirky Guy Who Sings Every Line | |
| Fran Drescher | ... | Herself | |
| Robert David Hall | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Jo Dee Messina | ... | Herself - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Toni Collette | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Robert Plant | ... | Himself - Musical Guest (as Robert Plant and The Strange Sensation) | |
| Dave Price | ... | Himself | |
| Robert Plant & The Strange Sensation | ... | Themselves |
| Craig Ferguson | ... | Himself - Host | |
| Jennifer Finnigan | ... | Herself | |
| John Hiatt | ... | Himself | |
| John Hiatt and the North Mississippi All-Stars | ... | Themselves | |
| Richard Malmos | ... | Announcer | |
| Julian McMahon | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Butch Bradley | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Taryn Manning | ... | Herself | |
| Drew Pinsky | ... | Himself (as Dr. Drew Pinsky) |
| Craig Ferguson | ... | Himself - Host | |
| David Duchovny | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Sinéad O'Connor | ... | Herself - Interviewee / Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Julie Gribble | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Aron Ralston | ... | Himself | |
| Henry Winkler | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Illeana Douglas | ... | Herself | |
| Macy Gray | ... | Herself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Richard Malmos | ... | Announcer | |
| Dominic Monaghan | ... | Himself | |
| Nuala O'Faolain | ... | Herself | |
| Rihanna | ... | Herself - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Troy Gentile | ... | Young Craig Ferguson | |
| Cheryl Hines | ... | Herself | |
| Dennis Hopper | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Sarge | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Sue Johanson | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Joe Mantegna | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Stephen Collins | ... | Himself | |
| Sanjay Gupta | ... | Himself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Kevin Bacon | ... | Himself - Interviewee / Musical Guest | |
| Michael Bacon | ... | Himself - Interviewee / Musical Guest | |
| Richard Malmos | ... | Announcer | |
| Bill Nye | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Joely Fisher | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| McG | ... | Himself | |
| Switchfoot | ... | Themselves - Musical Guest | |
| Ben Stein | ... | Frank Jenkins (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Nina Bergman | ... | Herself (as Maria B. Bergman) | |
| Melina Kanakaredes | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Steve Robinson | ... | Himself | |
| Richard Kind | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Ray J | ... | Himself - Musical Guest | |
| Richard Malmos | ... | Announcer | |
| Rhona Mitra | ... | Herself | |
| Betty White | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Stockard Channing | ... | Herself | |
| Michael Connelly | ... | Himself | |
| Jamie Cullum | ... | Himself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Mitch Braswell | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Jason Schwartzman | ... | Himself | |
| Paul Weller | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Richard Malmos | ... | Announcer | |
| Sharon Stone | ... | Herself | |
| Alice Cooper | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Maria Bartiromo | ... | Herself | |
| Clint Black | ... | Himself - Interviewee / Musical Guest | |
| Jamie Kaler | ... | Himself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Anthony LaPaglia | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Jeri Ryan | ... | Herself | |
| Michael Caine | ... | Himself (archive footage) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Franz Ferdinand | ... | Musical Guest | |
| Richard Malmos | ... | Announcer | |
| Charlie Sheen | ... | Himself | |
| Marissa Jaret Winokur | ... | Herself | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Gina Gershon | ... | Herself | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| Sinéad O'Connor | ... | Herself - Musical Guest | |
| Rob Zombie | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Hugh Laurie | ... | Himself | |
| Patty Loveless | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Twiggy | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Brenda Blethyn | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| John Roy | ... | Himself | |
| Jim Sheridan | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Kara Cooney | ... | Herself | |
| John Leguizamo | ... | Himself | |
| Richard Malmos | ... | Himself - Announcer (voice) | |
| My Morning Jacket | ... | Themselves - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| John Malkovich | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Buddy Guy | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Doug Savant | ... | Himself | |
| Xzibit | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Belushi | ... | Himself (as Jim Belushi) | |
| Richard Malmos | ... | Announcer | |
| Matisyahu | ... | Himself | |
| Parminder Nagra | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| John Lahr | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Patti Smith | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Tom Amandes | ... | Himself | |
| Jay Larson | ... | Himself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Amos Lee | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| RZA | ... | Himself | |
| Josh Schwartz | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Randy Cohen | ... | Himself | |
| Jon Favreau | ... | Himself | |
| Maz Jobrani | ... | Himself | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Juliette and the Licks | ... | Themselves | |
| Juliette Lewis | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Brian Van Holt | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Richard Malmos | ... | Announcer | |
| Jerry O'Connell | ... | Himself | |
| Joely Richardson | ... | Herself | |
| Nate Torrence | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Maureen Dowd | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Regis Philbin | ... | Himself | |
| Steve Jones | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Denton | ... | Himself | |
| Jennifer Love Hewitt | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Robert Plant | ... | Himself - Musical Guest (as Robert Plant and The Strange Sensation) | |
| Robert Plant & The Strange Sensation | ... | Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Danny Bonaduce | ... | Himself | |
| Paul Haggis | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Kristen Bell | ... | Herself | |
| Ted Danson | ... | Himself | |
| Matthew Fulchiron | ... | Himself (as Matt Fulchiron) | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Chris Botti | ... | Himself - Musical Guest | |
| Paul Buchanan | ... | Himself - Musical Guest | |
| Richard Malmos | ... | Announcer | |
| Lawrence O'Donnell | ... | Himself | |
| Sela Ward | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Mitch Albom | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Tony Shalhoub | ... | Himself | |
| Steve Jones | ... | Himself (uncredited) | |
| Don Novello | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Miranda Lambert | ... | Herself | |
| Richard Malmos | ... | Announcer | |
| Malachy McCourt | ... | Himself | |
| Dennis Quaid | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Tom Arnold | ... | Himself | |
| Krizia Bajos | ... | Girl in promo | |
| Helen Fielding | ... | Herself | |
| Lifehouse | ... | Themselves | |
| Richard Malmos | ... | Announcer | |
| Jason Wade | ... | Himself - Musical Guest (as Lifehouse) | |
| Rick Woolstenhulme | ... | Himself - Musical Guest (as Lifehouse) | |
| Eric Gores | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Kyle Cease | ... | Himself | |
| Jon Cryer | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Amy Yasbeck | ... | Herself | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Matthew Caws | ... | Himself - Musical Guest | |
| Ira Elliot | ... | Himself - Musical Guest | |
| Daniel Lorca | ... | Himself - Musical Guest | |
| Richard Malmos | ... | Announcer | |
| Nada Surf | ... | Themselves - Musical Guest | |
| David Steinberg | ... | Himself | |
| John Waters | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Jim Gaffigan | ... | Himself | |
| Richard Malmos | ... | Announcer | |
| Poppy Montgomery | ... | Herself | |
| Erich 'Mancow' Muller | ... | Himself (as Mancow) |
| Craig Ferguson | ... | Himself - Host | |
| Richard Malmos | ... | Announcer | |
| Michelle Yeoh | ... | Herself | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Sara Gilbert | ... | Herself | |
| Chris Isaak | ... | Himself - Interviewee / Musical Guest | |
| Richard Malmos | ... | Announcer |
| Craig Ferguson | ... | Himself - Host | |
| Bill Barretta | ... | Himself - Musical Guest (as Pepe the King Prawn) | |
| Bob Marley | ... | Himself | |
| Chi McBride | ... | Himself | |
| Bill Nye | ... | Himself (as Bill Nye the Science Guy) | |
| Dennis Quaid | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Teri Garr | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Dwight Yoakam | ... | Himself - Interviewee / Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Brian Cox | ... | Himself | |
| Chris Isaak | ... | Himself | |
| Little Richard | ... | Himself - Interviewee / Musical Guest (as Little Richard and Choir) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Téa Leoni | ... | Herself | |
| Brian McKnight | ... | Himself - Musical Guest | |
| RZA | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Amy Tan | ... | Herself | |
| Tom Arnold | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Colin Hanks | ... | Himself | |
| Brian McKnight | ... | Himself | |
| Regis Philbin | ... | Himself - Musical Guest | |
| Katey Sagal | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Leonard Maltin | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Drew Pinsky | ... | Himself (as Dr. Drew Pinsky) | |
| Bob Spitz | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Connie Schultz | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Fred Willard | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Alex Borstein | ... | Herself | |
| Rob Morrow | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Steve Jones | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Aimee Mann | ... | Herself - Musical Guest | |
| Ivana Milicevic | ... | Herself | |
| Don Rickles | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Joey Burns | ... | Himself - Musical Guest (as Calexico) | |
| Calexico | ... | Themselves - Musical Guest | |
| John Convertino | ... | Himself - Musical Guest (as Calexico) | |
| Daryl Hannah | ... | Herself | |
| Iron & Wine | ... | Himself - Musical Guest | |
| Thomas Lennon | ... | Himself (as Tom Lennon) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Trey Anastasio | ... | Himself - Musical Guest | |
| Cheryl Hines | ... | Herself | |
| Derek Luke | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Phil McGraw | ... | Himself (as Dr. Phil McGraw) | |
| Dave Price | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Peter Bart | ... | Himself | |
| Seth Green | ... | Himself | |
| Peter Guber | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Steve Jones | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Connie Britton | ... | Herself | |
| Ian Edwards | ... | Himself | |
| Tom Selleck | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Lola Glaudini | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Steven Wright | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| The 88 | ... | Themselves - Musical Guest | |
| Allison Janney | ... | Herself | |
| John C. McGinley | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Greg Kinnear | ... | Himself | |
| Paula Poundstone | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Mary Alexandra Stiefvater | ... | Marie-Claire (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Tom Cavanagh | ... | Himself | |
| Anthony Hamilton | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Ming Tsai | ... | Himself | |
| Steve Jones | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Phyllis Diller | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Sebastian Maniscalco | ... | Himself | |
| Mimi Rogers | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Drew Pinsky | ... | Himself (as Dr. Drew Pinsky) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Wicked Tinkers | ... | Themselves - Musical Guest | |
| Amy Yasbeck | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Piper Perabo | ... | Herself | |
| Keaton Simons | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| James Woods | ... | Himself | |
| Steve Jones | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Steve Byrne | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Emma Thompson | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Mutemath | ... | Themselves - Musical Guest | |
| Lynn Redgrave | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Isaiah Washington | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Big Kenny Alphin | ... | Himself - Interviewee / Musical Guest (as Big & Rich) | |
| Big & Rich | ... | Themselves - Musical Guest | |
| John Rich | ... | Himself - Interviewee / Musical Guest (as Big & Rich) | |
| Mary Steenburgen | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Lauren Holly | ... | Herself | |
| Ne-Yo | ... | Himself - Musical Guest | |
| Jeff Probst | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Ron Pederson | ... | Clay Aiken (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Trace Adkins | ... | Himself | |
| Zooey Deschanel | ... | Herself | |
| Jean Reno | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Steve Jones | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Sanaa Lathan | ... | Herself | |
| Jean Reno | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Dave Price | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Patricia Hall | ... | Herself | |
| Eddie Izzard | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Frank Caliendo | ... | Himself | |
| Paul Haggis | ... | Himself | |
| Alyson Hannigan | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Lisa Loeb | ... | Herself - Interviewee / Musical Guest | |
| Marlee Matlin | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Jack Jason | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Jeff Cesario | ... | Himself - Comedian | |
| Judy Greer | ... | Herself | |
| Paul Reiser | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Amy Adams | ... | Herself | |
| Rocco DeLuca | ... | Himself - Musical Guest (as Rocco DeLuca & the Burden) | |
| Rocco DeLuca & The Burden | ... | Themselves - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Kiefer Sutherland | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| Fiona Apple | ... | Herself - Interviewee / Musical Guest | |
| Jason Biggs | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Tim Meadows | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Josh Bernstein | ... | Himself | |
| Andrea Bocelli | ... | Himself | |
| William Shatner | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Richard Kind | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Rosanne Cash | ... | Herself | |
| Robert Hawkins | ... | Himself - Comedian | |
| Howie Mandel | ... | Himself | |
| Carl Reiner | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Nadine Velazquez | ... | Herself | |
| Ron Pederson | ... | Gordon Burger (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Carl Edwards | ... | Himself | |
| William H. Macy | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Samuel L. Jackson | ... | Himself | |
| The Lashes | ... | Themselves - Musical Guest | |
| Cokie Roberts | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| James Adomian | ... | George W. Bush (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| The Cult | ... | Themselves - Musical Guest | |
| Dolly Parton | ... | Herself | |
| Kevin Smith | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Carl Reiner | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Eric L. Haney | ... | Himself (as Eric Haney) | |
| Terrence Howard | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Tichina Arnold | ... | Herself | |
| Jenny Lewis | ... | Herself - Musical Guest | |
| Regis Philbin | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| The Watson Twins | ... | Themselves - Musical Guest | |
| James Adomian | ... | George W. Bush (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Roseanne Barr | ... | Herself - Interviewee / Musical Guest (as Roseanne) | |
| Wolfgang Puck | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Kathy Bates | ... | Herself | |
| Jeremy Bloom | ... | Himself | |
| Idina Menzel | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Ron Pederson | ... | Woody Allen (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| The All-American Rejects | ... | Themselves - Musical Guest | |
| Milla Jovovich | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Peter Travers | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| James Blake | ... | Himself | |
| Paul Haggis | ... | Himself | |
| Ben Lee | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Tyra Banks | ... | Herself | |
| Jackie Collins | ... | Herself | |
| Melinda | ... | Herself | |
| Nathan Sawaya | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Fiona Apple | ... | Herself - Musical Guest | |
| John Larroquette | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Ethan Suplee | ... | Himself |
| Craig Ferguson | ... | Himself - Host | |
| D.C. Benny | ... | Himself - Comedian | |
| Emilie de Ravin | ... | Herself (as Emilie De Ravin) | |
| Wynonna Judd | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Tim Meadows | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| David Arquette | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Cowboy Troy | ... | Himself - Interviewee / Musical Guest | |
| Mimi Rogers | ... | Herself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Big & Rich | ... | Themselves - Musical Guest | |
| Stockard Channing | ... | Herself | |
| Carlos Mencia | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Ron Pederson | ... | Barron William Trump (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Rosanne Cash | ... | Herself - Interviewee / Musical Guest | |
| Howie Mandel | ... | Himself | |
| Philip McGrade | ... | Mario Biscotti | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| David Gray | ... | Himself - Musical Guest | |
| Jane Kaczmarek | ... | Herself | |
| Jason Lee | ... | Himself | |
| Rick Majerus | ... | Himself | |
| Julian Sands | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Joan Cusack | ... | Herself | |
| Elliot Easton | ... | Himself - Musical Guest (as The New Cars) | |
| Greg Hawkes | ... | Himself - Musical Guest (as The New Cars) | |
| Mary McCormack | ... | Herself | |
| Philip McGrade | ... | Sir Cecil Wellsley-Hogg | |
| The New Cars | ... | Themselves - Musical Guest | |
| Prairie Prince | ... | Himself - Musical Guest (as The New Cars) | |
| Todd Rundgren | ... | Himself - Musical Guest (as The New Cars) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Kasim Sulton | ... | Himself - Musical Guest (as The New Cars) |
| Craig Ferguson | ... | Himself - Host | |
| Tom Fontana | ... | Himself | |
| Jane Kaczmarek | ... | Herself | |
| Dan Naturman | ... | Himself - Comedian | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Alkaline Trio | ... | Themselves - Musical Guest | |
| Dan Andriano | ... | Himself - Musical Guest (as Alkaline Trio) | |
| John Goodman | ... | Himself | |
| Angela Nissel | ... | Herself | |
| Glenn Porter | ... | Himself - Musical Guest (as Alkaline Trio) | |
| Matt Skiba | ... | Himself - Musical Guest (as Alkaline Trio) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Annie Duke | ... | Herself | |
| Frankie Muniz | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Train | ... | Themselves - Musical Guest | |
| James Adomian | ... | George W. Bush (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Mehcad Brooks | ... | Himself | |
| Chris Kattan | ... | Himself | |
| Philip McGrade | ... | Father Chad | |
| Mo'Nique | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Mehcad Brooks | ... | Himself | |
| Anjelica Huston | ... | Herself | |
| Ne-Yo | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Rosie O'Donnell | ... | Herself | |
| Harry Shearer | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Paget Brewster | ... | Herself | |
| Sam Elliott | ... | Himself | |
| Adam Ferrara | ... | Himself - Comedian | |
| Philip McGrade | ... | Sir Cecil Wellsley-Hogg | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Astro | ... | Himself - Musical Guest (as UB40) | |
| Jim Brown | ... | Himself - Musical Guest (as UB40) | |
| Ali Campbell | ... | Himself - Musical Guest (as UB40) | |
| Robin Campbell | ... | Himself - Musical Guest (as UB40) | |
| Earl Falconer | ... | Himself - Musical Guest (as UB40) | |
| Norman Hassan | ... | Himself - Musical Guest (as UB40) | |
| Ben Kingsley | ... | Himself (as Sir Ben Kingsley) | |
| Roselyn Sanchez | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Brian Travers | ... | Himself - Musical Guest (as UB40) | |
| UB40 | ... | Themselves - Musical Guest | |
| Michael Virtue | ... | Himself - Musical Guest (as UB40) | |
| Hugh M. Hefner | ... | Himself (uncredited) | |
| Holly Madison | ... | Herself (uncredited) | |
| Bridget Marquardt | ... | Herself (uncredited) | |
| Kendra Wilkinson | ... | Herself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Kevin Pollak | ... | Himself | |
| Mira Sorvino | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Train | ... | Themselves - Musical Guest | |
| Tim Meadows | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Christian Finnegan | ... | Himself | |
| Chi McBride | ... | Himself | |
| Bebe Neuwirth | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Jamie Denbo | ... | Judy Friedman (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| John Corbett | ... | Himself / Musical Guest | |
| Carrie Fisher | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Lori Nasso | ... | Fiona the Scottish Stalker (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Carl Hiaasen | ... | Himself | |
| Toby Keith | ... | Himself | |
| Philip McGrade | ... | Jean-Paul Jacques-Luc | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Roger Lay Jr. | ... | Himself | |
| Ray Romano | ... | Himself | |
| Ken Shamrock | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Tom Caltabiano | ... | Himself (uncredited) | |
| Richard Kind | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Melina Kanakaredes | ... | Herself | |
| Kyle MacLachlan | ... | Himself (as Kyle Maclachlan) | |
| Shinedown | ... | Themselves - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Murray Cook | ... | Himself - Musical Guest (as The Wiggles) | |
| Jeff Fatt | ... | Himself - Musical Guest (as The Wiggles) | |
| Anthony Field | ... | Himself - Musical Guest (as The Wiggles) | |
| Paul Paddick | ... | Himself - Musical Guest (as The Wiggles) | |
| Greg Page | ... | Himself - Musical Guest (as The Wiggles) | |
| Dennis Quaid | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| The Wiggles | ... | Themselves - Musical Guest | |
| Tom Arnold | ... | Himself (uncredited) | |
| Diane Klimaszewski | ... | Megan (uncredited) | |
| Elaine Klimaszewski | ... | Ashley (uncredited) | |
| Daniel McVicar | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Erin Boheme | ... | Herself - Musical Guest | |
| Radha Mitchell | ... | Herself | |
| Marion Ross | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Bill Bailey | ... | NASA scientist Bill Bailey (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Jennifer Finnigan | ... | Herself | |
| Barry Sonnenfeld | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| James Adomian | ... | George W. Bush (voice) (uncredited) | |
| Jamie Denbo | ... | Suri Cruise (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Dave Barry | ... | Himself | |
| Kristin Chenoweth | ... | Herself | |
| Dem Franchize Boyz | ... | Themselves | |
| Andy Garcia | ... | Himself | |
| Mandy Moore | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| James Adomian | ... | George W. Bush (uncredited) |
| Mitch Albom | ... | Himself - Musical Guest (as The Rock Bottom Remainders) | |
| Dave Barry | ... | Himself - Musical Guest (as The Rock Bottom Remainders) | |
| Roy Blount Jr. | ... | Himself - Musical Guest (as The Rock Bottom Remainders) | |
| Kristin Chenoweth | ... | Herself | |
| Craig Ferguson | ... | Himself - Host | |
| Andy Garcia | ... | Himself | |
| Kathi Kamen Goldmark | ... | Herself - Musical Guest (as The Rock Bottom Remainders) | |
| Matt Groening | ... | Himself - Musical Guest (as The Rock Bottom Remainders) | |
| Greg Iles | ... | Himself - Musical Guest (as The Rock Bottom Remainders) | |
| Stephen King | ... | Himself - Musical Guest (as The Rock Bottom Remainders) | |
| Mandy Moore | ... | Herself | |
| Ridley Pearson | ... | Himself - Musical Guest (as The Rock Bottom Remainders) | |
| The Rock Bottom Remainders | ... | Themselves - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Amy Tan | ... | Herself - Musical Guest (as The Rock Bottom Remainders) | |
| Scott Turow | ... | Himself - Musical Guest (as The Rock Bottom Remainders) | |
| Tim Meadows | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| The Bell Rays | ... | Themselves - Musical Guest (as The Bellrays) | |
| Neil Patrick Harris | ... | Himself | |
| Parminder Nagra | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| James Adomian | ... | George W. Bush (voice) (uncredited) | |
| Henry Winkler | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Randy Jackson | ... | Himself | |
| Connie Schultz | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Reggie Bush | ... | Himself | |
| Jennifer Love Hewitt | ... | Herself | |
| Frank McCourt | ... | Himself | |
| Philip McGrade | ... | Mario Biscotti | |
| Keke Palmer | ... | Herself | |
| Secret Machines | ... | Themselves | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Jamie Bell | ... | Himself - Musical Guest (as The Go! Team) | |
| Emily Deschanel | ... | Herself | |
| Sam Dook | ... | Himself - Musical Guest (as The Go! Team) | |
| The Go! Team | ... | Themselves - Musical Guest | |
| Kelsey Grammer | ... | Himself | |
| Ninja | ... | Herself - Musical Guest (as The Go! Team) | |
| Ian Parton | ... | Himself - Musical Guest (as The Go! Team) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Chi Fukami Taylor | ... | Herself - Musical Guest (as The Go! Team) | |
| Kaori Tsuchida | ... | Herself - Musical Guest (as The Go! Team) | |
| Aisha Tyler | ... | Herself | |
| Ron Pederson | ... | Clay Aiken (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Mr. Collipark | ... | Himself - Musical Guest | |
| Kaine | ... | Himself - Musical Guest (as Ying Yang Twins) | |
| Julia Louis-Dreyfus | ... | Herself | |
| D. Roc | ... | Himself - Musical Guest (as Ying Yang Twins) | |
| Bubba Sparxxx | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Scott 'Carrot Top' Thompson | ... | Himself - Comedian (as Carrot Top) | |
| Ying Yang Twins | ... | Themselves - Musical Guest (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Bo Bice | ... | Himself - Musical Guest | |
| Denis Leary | ... | Himself | |
| Philip McGrade | ... | Sir Cecil Wellsley-Hogg | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Bill Bailey | ... | Himself - Comedian | |
| Donald Faison | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Betty White | ... | Herself |
| Craig Ferguson | ... | Himself - Host | |
| Bill Carter | ... | Himself | |
| Jenna Fischer | ... | Herself | |
| Chris Isaak | ... | Himself - Interviewee / Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Tom Cruise | ... | Himself (uncredited) (archive footage) |
| Craig Ferguson | ... | Himself - Host | |
| Paul Bettany | ... | Himself | |
| Damian Marley | ... | Himself - Musical Guest (as Damian 'Jr. Gong' Marley) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Kate Walsh | ... | Herself | |
| Tim Meadows | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Jacinda Barrett | ... | Herself | |
| Reed Calhoun | ... | Himself - Musical Guest (as Rock Kills Kid) | |
| Shawn Dailey | ... | Himself - Musical Guest (as Rock Kills Kid) | |
| Mark Harmon | ... | Himself | |
| Ian Hendrickson | ... | Himself - Musical Guest (as Rock Kills Kid) | |
| Rock Kills Kid | ... | Themselves - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Sean Stopnik | ... | Himself - Musical Guest (as Rock Kills Kid) | |
| Jeff Tucker | ... | Himself - Musical Guest (as Rock Kills Kid) | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Daryl Hannah | ... | Herself | |
| Sara Ramirez | ... | Herself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Jim Gaffigan | ... | Himself - Comedian | |
| Phil McGraw | ... | Himself (as Dr. Phil McGraw) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Merv Griffin | ... | Himself | |
| Philip McGrade | ... | Jean-Luc Batard | |
| Rick Reilly | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Diane Farr | ... | Herself | |
| Dominic Monaghan | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Phil Vassar | ... | Himself - Musical Guest | |
| Henry Winkler | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Nick Lachey | ... | Himself - Musical Guest | |
| Mía Maestro | ... | Herself (as Mia Maestro) | |
| Philip McGrade | ... | Sir Cecil Wellsley-Hogg | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Dominic Monaghan | ... | Chris Wellington (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Toby Keith | ... | Himself - Musical Guest | |
| Reba McEntire | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Cynthia Watros | ... | Herself | |
| Jamie Denbo | ... | Herself - Wedding Expert (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Jason Aldean | ... | Himself - Musical Guest | |
| Anna Paquin | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Casper Van Dien | ... | Himself | |
| Michelle Daurio | ... | Herself (uncredited) | |
| Phil McGraw | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Michelle Branch | ... | Herself - Musical Guest (as The Wreckers) | |
| Oscar De La Hoya | ... | Himself | |
| Jessica Harp | ... | Herself - Musical Guest (as The Wreckers) | |
| Ricki Lake | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| The Wreckers | ... | Themselves - Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Brooks and Dunn | ... | Themselves - Musical Guest (as Brooks & Dunn) | |
| Kix Brooks | ... | Himself - Musical Guest (as Brooks & Dunn) | |
| Ronnie Dunn | ... | Himself - Musical Guest (as Brooks & Dunn) | |
| Pauley Perrette | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Tim Meadows | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Ian Ball | ... | Himself - Musical Guest (as Gomez) | |
| Paul Blackburn | ... | Himself - Musical Guest (as Gomez) | |
| Oscar De La Hoya | ... | Himself | |
| Dajon Everett | ... | Himself - Musical Guest (as Gomez) | |
| Gomez | ... | Themselves - Musical Guest | |
| Thomas Gray | ... | Himself - Musical Guest (as Gomez) | |
| Jenny McCarthy | ... | Herself | |
| Benjamin Ottewell | ... | Himself - Musical Guest (as Gomez) | |
| Oliver Peacock | ... | Himself - Musical Guest (as Gomez) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| The .357s | ... | Themselves - Musical Guest | |
| Lee Child | ... | Himself | |
| Jon Favreau | ... | Himself | |
| Shooter Jennings | ... | Himself - Musical Guest | |
| Philip McGrade | ... | Mario Biscotti | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Elliot Easton | ... | Himself - Musical Guest (as The New Cars) | |
| Claire Fordham | |||
| Greg Hawkes | ... | Himself - Musical Guest (as The New Cars) | |
| Patricia Heaton | ... | Herself | |
| The New Cars | ... | Themselves - Musical Guest | |
| Prairie Prince | ... | Himself - Musical Guest (as The New Cars) | |
| Todd Rundgren | ... | Himself - Musical Guest (as The New Cars) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Kasim Sulton | ... | Himself - Musical Guest (as The New Cars) |
| Craig Ferguson | ... | Himself - Host | |
| Joey Lauren Adams | ... | Herself | |
| Stanley Bing | ... | Himself | |
| Ian McShane | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Edie Falco | ... | Herself | |
| Philip McGrade | ... | Jean-Jacques Jean-Luc | |
| David Lee Roth | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Ludacris | ... | Himself (as Chris 'Ludacris' Bridges) | |
| Tom Everett Scott | ... | Himself | |
| Speech | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Jamie Denbo | ... | Herself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Josh Garza | ... | Himself - Musical Guest (as Secret Machines) | |
| Anthony Michael Hall | ... | Himself | |
| Sara Rue | ... | Herself | |
| Secret Machines | ... | Themselves - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| James Adomian | ... | George W. Bush (uncredited) | |
| French Stewart | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Anderson Cooper | ... | Himself | |
| Dan Cummings | ... | Himself | |
| Dan Cummins | ... | Himself - Comedian | |
| Mercedes Ruehl | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Lorraine Bracco | ... | Herself | |
| Kevin Connolly | ... | Himself | |
| Jamie Jensen | ... | Herself | |
| Jamie Jensen | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Lucy Davis | ... | Herself | |
| Pete DeFreitas | ... | Musical Guest | |
| Echo & The Bunnymen | ... | Themselves - Musical Guest | |
| Ian McCulloch | ... | Himself - Musical Guest (as Echo & The Bunnymen) | |
| Will Sergeant | ... | Himself - Musical Guest (as Echo & The Bunnymen) | |
| Tony Shalhoub | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Jon Cryer | ... | Himself | |
| Adam Gontier | ... | Himself - Musical Guest (as Three Days Grace) | |
| Neil Sanderson | ... | Himself - Musical Guest (as Three Days Grace) | |
| Jim Short | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Barry Stock | ... | Himself - Musical Guest (as Three Days Grace) | |
| Three Days Grace | ... | Themselves - Musical Guest | |
| Brad Walst | ... | Himself - Musical Guest (as Three Days Grace) | |
| Tim Meadows | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Bill Barretta | ... | Himself (as Pepe the King Prawn) | |
| Martin Blunt | ... | Himself - Musical Guest (as The Charlatans UK) | |
| Jon Brookes | ... | Himself - Musical Guest (as The Charlatans UK) | |
| Tim Burgess | ... | Himself - Musical Guest (as The Charlatans UK) | |
| The Charlatans | ... | Themselves - Musical Guest (as The Charlatans UK) | |
| Mark Collins | ... | Himself - Musical Guest (as The Charlatans UK) | |
| Tony Rogers | ... | Himself - Musical Guest (as The Charlatans UK) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Sarah Wynter | ... | Herself | |
| Jon Cryer | ... | Himself (voice) (uncredited) | |
| Jamie Denbo | ... | Herself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Arturo Gatti | ... | Himself | |
| David Milch | ... | Himself | |
| Katey Sagal | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Cat Deeley | ... | Herself | |
| Van Hunt | ... | Himself - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Stanley Tucci | ... | Himself | |
| Kathy Kinney | ... | Herself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Jack Black | ... | Himself | |
| Sonya Kitchell | ... | Herself - Musical Guest | |
| James Marsden | ... | Himself | |
| Philip McGrade | ... | Mario Biscotti | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Def Leppard | ... | Themselves - Musical Guest | |
| Tyrese Gibson | ... | Himself | |
| Paul C. Morrissey | ... | Himself - Comedian (as Paul Morrissey) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Daz Dillinger | ... | Himself - Musical Guest (as Tha Dogg Pound) | |
| Tha Dogg Pound | ... | Themselves - Musical Guest | |
| Snoop Dogg | ... | Himself | |
| Kurupt | ... | Himself - Musical Guest (as Tha Dogg Pound) | |
| John Landis | ... | Himself | |
| Regis Philbin | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Dave Foley | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Judy Greer | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Henry Winkler | ... | Himself | |
| Mike Young | ... | Himself - Comedian | |
| Regis Philbin | ... | Himself (voice) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Astro | ... | Himself - Musical Guest (as UB40) | |
| Jim Brown | ... | Himself - Musical Guest (as UB40) | |
| Ali Campbell | ... | Himself - Musical Guest (as UB40) | |
| Robin Campbell | ... | Himself - Musical Guest (as UB40) | |
| Earl Falconer | ... | Himself - Musical Guest (as UB40) | |
| Dave Foley | ... | Himself | |
| Norman Hassan | ... | Himself - Musical Guest (as UB40) | |
| Philip McGrade | ... | Jean-Luc Batard | |
| Amy Sedaris | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Brian Travers | ... | Himself - Musical Guest (as UB40) | |
| UB40 | ... | Themselves - Musical Guest | |
| Michael Virtue | ... | Himself - Musical Guest (as UB40) |
| Craig Ferguson | ... | Himself - Host | |
| Tim Robbins | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| T.I. | ... | Himself - Interviewee / Musical Guest |
| Craig Ferguson | ... | Himself - Host | |
| Paul Dinello | ... | Himself | |
| Jesse James | ... | Himself | |
| She Wants Revenge | ... | Themselves - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Justin Warfield | ... | Himself - Musical Guest (as She Wants Revenge) | |
| Tim Meadows | ... | Himself (uncredited) | |
| Henry Winkler | ... | Himself (voice) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Illeana Douglas | ... | Herself | |
| Laurence Fishburne | ... | Himself | |
| Jack's Mannequin | ... | Themselves - Musical Guest | |
| Philip McGrade | ... | Sir Cecil Wellsley-Hogg | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Chris Isaak | ... | Himself (voice) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Jewel Kilcher | ... | Herself - Musical Guest (as Jewel) | |
| Thomas Lennon | ... | Himself (as Tom Lennon) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| James Adomian | ... | George W. Bush (uncredited) | |
| Regis Philbin | ... | Himself (voice) (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Donal Logue | ... | Himself | |
| Ne-Yo | ... | Himself - Interviewee / Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| George W. Bush | ... | Himself (uncredited) (archive footage) | |
| Jamie Denbo | ... | Greta Denbo (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Lawrence Block | ... | Himself | |
| Toni Collette | ... | Herself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Joe Theismann | ... | Himself | |
| Kathy Kinney | ... | Herself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Julie Chen | ... | Herself | |
| Echo & The Bunnymen | ... | Themselves - Musical Guest | |
| Ian McCulloch | ... | Himself - Musical Guest (as Echo & The Bunnymen) | |
| Denise Mina | ... | Herself | |
| Will Sergeant | ... | Himself - Musical Guest (as Echo & The Bunnymen) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Chris Isaak | ... | Michael Caine in Space (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| James Adomian | ... | George W. Bush | |
| Danny Bonaduce | ... | Himself | |
| Cote de Pablo | ... | Herself | |
| William Surles McArthur Jr. | ... | Himself (as Bill McArthur) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Robin Arcuri | ... | Herself 'Brooks and Dunn' video | |
| Emily Blunt | ... | Herself | |
| Brooks and Dunn | ... | Themselves - Musical Guest (as Brooks & Dunn) | |
| Kix Brooks | ... | Himself - Musical Guest (as Brooks & Dunn) | |
| Ronnie Dunn | ... | Himself - Musical Guest (as Brooks & Dunn) | |
| Joe Mantegna | ... | Himself | |
| Philip McGrade | ... | Sir Cecil Wellsley-Hogg | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Joe Theismann | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Bob Barker | ... | Himself | |
| Nick Cannon | ... | Himself | |
| Kyle Dunnigan | ... | Himself - Comedian / Interviewee | |
| Family Force 5 | ... | Themselves - Musical Guest | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Danny Bonaduce | ... | Himself (voice) (uncredited) | |
| Rich Fields | ... | Himself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Tony Barber | ... | Himself - Musical Guest (as Buzzcocks) | |
| The Buzzcocks | ... | Themselves - Musical Guest (as Buzzcocks) | |
| Steve Diggle | ... | Himself - Musical Guest (as Buzzcocks) | |
| Danny Farrant | ... | Himself - Musical Guest (as Buzzcocks) | |
| Eddie Izzard | ... | Himself | |
| Pete Shelley | ... | Himself - Musical Guest (as Buzzcocks) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Greg Warren | ... | Himself - Comedian |
| Craig Ferguson | ... | Himself - Host | |
| Carrie Ann Inaba | ... | Herself | |
| Seether | ... | Themselves - Musical Guest | |
| Kevin Smith | ... | Himself | |
| Shadoe Stevens | ... | Himself - Announcer (voice) |
| Craig Ferguson | ... | Himself - Host | |
| Marc 7 | ... | Himself - Musical Guest (as Jurassic 5) | |
| Akil | ... | Himself - Musical Guest (as Jurassic 5) | |
| Cuba Gooding Jr. | ... | Himself | |
| Jurassic 5 | ... | Themselves - Musical Guest | |
| Jay Larson | ... | Stand-up | |
| DJ NuMark | ... | Himself - Musical Guest (as Jurassic 5) | |
| Soup | ... | Himself - Musical Guest (as Jurassic 5) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Charles Stewart | ... | Chali 2na - Musical Guest (as Jurassic 5) | |
| Danny Bonaduce | ... | Himself (voice) (uncredited) | |
| Jamie Denbo | ... | Herself (uncredited) |
| Craig Ferguson | ... | Himself - Host | |
| Sammy Hagar | ... | Himself - Interviewee / Musical Guest (as Sammy Hagar & The Wabos) | |
| Vic Johnson | ... | Himself - Musical Guest (as Sammy Hagar & The Wabos) | |
| Greg Kinnear | ... | Himself | |
| David Lauser | ... | Himself - Musical Guest (as Sammy Hagar & The Wabos) | |
| Mona | ... | Herself - Musical Guest (as Sammy Hagar & The Wabos) | |
| Shadoe Stevens | ... | Himself - Announcer (voice) | |
| Hugh M. Hefner | ... | Himself (uncredited) | |
| Chris Isaak | ... | Himself (voice) (uncredited) | |