
| Denis Leary | ... | Tommy Gavin (52 episodes, 2004-2007) |
 | Mike Lombardi | ... | Mike Silletti (52 episodes, 2004-2007) |

| Steven Pasquale | ... | Sean Garrity (52 episodes, 2004-2007) |

| Andrea Roth | ... | Janet Gavin (52 episodes, 2004-2007) |

| Daniel Sunjata | ... | Franco Rivera (52 episodes, 2004-2007) |

| John Scurti | ... | Kenny Shea (52 episodes, 2004-2007) |

| Callie Thorne | ... | Sheila Keefe (49 episodes, 2004-2007) |

| Jack McGee | ... | Chief Jerry Reilly (44 episodes, 2004-2007) |
 | James McCaffrey | ... | Jimmy Keefe (40 episodes, 2004-2007) |

| Natalie Distler | ... | Colleen Gavin (33 episodes, 2004-2007) |

| Tatum O'Neal | ... | Maggie (28 episodes, 2005-2007) |
 | Lenny Clarke | ... | Uncle Teddy (24 episodes, 2004-2007) |
 | Charles Durning | ... | Tommy's Dad (24 episodes, 2004-2007) |
 | Robert John Burke | ... | Father Mickey Gavin / ... (23 episodes, 2004-2007) |

| Dean Winters | ... | Johnny Gavin (23 episodes, 2004-2007) |

| Trevor Heins | ... | Connor Gavin (21 episodes, 2004-2006) |

| Olivia Crocicchia | ... | Katy Gavin (20 episodes, 2004-2007) |

| Diane Farr | ... | Laura Miles (19 episodes, 2004-2005) |
 | Peggy Scott | ... | Jeannie / ... (14 episodes, 2004-2006) |

| Sherri Saum | ... | Natalie (14 episodes, 2006-2007) |

| Michael Zegen | ... | Damien / ... (13 episodes, 2004-2006) |
 | Michael Mulheren | ... | Chief Perolli (13 episodes, 2004-2006) |

| Cornell Womack | ... | Richard (12 episodes, 2006-2007) |
 | Ed Sullivan | ... | Billy Warren / ... (11 episodes, 2004-2006) |
 | Cailin Stollar | ... | Keela (11 episodes, 2004-2006) |

| Milena Govich | ... | Candy (8 episodes, 2005-2006) |
 | Anthony Mangano | ... | Bobby Vincent / ... (8 episodes, 2004-2007) |
 | Adam Ferrara | ... | Chief 'Needles' Nelson / ... (8 episodes, 2006-2007) |

| Bernardo De Paula | ... | Jesus / ... (8 episodes, 2005) |

| Artie Lange | ... | Kenny's cousin / ... (8 episodes, 2006-2007) |
 | Jerry Adler | ... | Chief Feinberg / ... (8 episodes, 2007) |
 | Jay Potter | ... | Roger Mills (7 episodes, 2004) |

| Neal Jones | ... | Peter (7 episodes, 2004-2005) |

| Greg D'Agostino | ... | NYPD Officer (7 episodes, 2004-2005) |

| Timothy Adams | ... | Mike's Roommate / ... (7 episodes, 2006) |

| Desmond Harrington | ... | Troy (7 episodes, 2007) |

| Gina Gershon | ... | Valerie (6 episodes, 2007) |
 | Niels Jorgensen | ... | Nils (6 episodes, 2004-2007) |

| Todd Carroll | ... | Collins / ... (6 episodes, 2004-2007) |
 | Ashlie Atkinson | ... | Theresa (6 episodes, 2004-2005) |

| Paula Devicq | ... | Sondra (6 episodes, 2004-2005) |

| Vincent Piazza | ... | Tony (6 episodes, 2007) |

| Alanna Thompson | ... | Bartender (6 episodes, 2007) |
 | Kate Burton | ... | Rose (5 episodes, 2005-2006) |
 | Jimmy Burke | ... | Andrew (5 episodes, 2004) |
 | Muhammed Cunningham | ... | Pajama Boy (5 episodes, 2004-2005) |
 | Brette Taylor | ... | Debbie (5 episodes, 2005) |

| Antonio Saillant | ... | Prisoner / ... (5 episodes, 2004-2006) |

| Christopher Durham | ... | Father Murphy (5 episodes, 2005) |
 | Karen Goberman | ... | Franco's Nurse (5 episodes, 2005) |

| Manny Perez | ... | Luis (5 episodes, 2006-2007) |

| Susan Sarandon | ... | Alicia Green (5 episodes, 2006-2007) |

| Terry Serpico | ... | Cousin Eddie (4 episodes, 2005-2007) |
 | Jarah | ... | Asian Girl (4 episodes, 2004) |

| Mackenzie Connolly | ... | Kitten Girl / ... (4 episodes, 2004) |
 | Paige Turco | ... | Nell Turbody / ... (4 episodes, 2006) |

| Noelle Beck | ... | Mariel (4 episodes, 2005) |
 | Jessica Leccia | ... | Mary Magdelene / ... (4 episodes, 2005) |

| Susan Misner | ... | Theresa (4 episodes, 2006-2007) |
 | Chris Bowers | ... | Larry Bird (4 episodes, 2006) |
 | Jack Hammel | ... | Inmate / ... (4 episodes, 2006) |

| Marisa Tomei | ... | Angie (4 episodes, 2006) |

| Sharon Wilkins | ... | Latrina (3 episodes, 2007) |

| Susan A. Ashton | ... | Lauren / ... (3 episodes, 2004) |

| Larenz Tate | ... | Bart (3 episodes, 2007) |
 | Siobhan Fallon | ... | Phyllis / ... (3 episodes, 2004) |
 | Patti D'Arbanville | ... | Ellie (3 episodes, 2006-2007) |

| Robert Turano | ... | S.I. Chief / ... (3 episodes, 2004-2005) |

| Lisa Barnes | ... | Paula (3 episodes, 2004) |
 | Lyndon Byers | ... | Ryan (3 episodes, 2004-2005) |
 | Thomas Lyons | ... | Connor's Killer / ... (3 episodes, 2005-2006) |
 | Paul F. Martinowicz | ... | Harry the Hat (3 episodes, 2005-2007) |
 | Cynthia Harris | ... | Mike's Mom / ... (3 episodes, 2004-2007) |

| Tony Cox | ... | Arlo (3 episodes, 2004) |
 | James Badge Dale | ... | Timo Gavin (3 episodes, 2004) |

| Phoebe Strole | ... | Jennifer (3 episodes, 2004) |
 | Stuart Evered | ... | Cookie Guy #3 / ... (3 episodes, 2005-2007) |

| Christopher L. McAllister | ... | David - Member of AA / ... (3 episodes, 2005-2006) |

| James Biberi | ... | Vinny (3 episodes, 2005) |
 | Tony Cucci | ... | Sal (3 episodes, 2005) |
 | Alexander Flores | ... | Rickey / ... (3 episodes, 2005) |

| Kristina Klebe | ... | Mickey's Girlfriend (3 episodes, 2005) |

| Adam Mastrelli | ... | Tony (3 episodes, 2005) |
 | Doug Moe | ... | Jeffrey (3 episodes, 2005) |
 | Rob Munk | ... | Walt (3 episodes, 2005) |
 | Lee Tergesen | ... | Sully (3 episodes, 2005) |

| David Vadim | ... | Paulie (3 episodes, 2005) |
 | Ching Valdes-Aran | ... | Mrs. Ng (3 episodes, 2005) |

| Reginald Veneziano | ... | Carmine (3 episodes, 2005) |

| Peter Conboy | ... | Fireman / ... (3 episodes, 2006-2007) |

| Matt Mulhern | ... | Lt. John Stackhouse (3 episodes, 2006) |

| William J. Vila | ... | Bouncer / ... (3 episodes, 2006) |

| Sara DeRosa | ... | Club Waitress / ... (3 episodes, 2007) |

| Jennifer Esposito | ... | Nona (3 episodes, 2007) |

| Patricia Velasquez | ... | Nez (2 episodes, 2004) |

| Johnathan Tchaikovsky | ... | Murphy Kid (2 episodes, 2004) |
 | Russ Anderson | ... | Bobby 'Teflon' Teff (2 episodes, 2004) |
 | Zoe Alexander | ... | Lazara (2 episodes, 2004) |
 | Sharron Bower | ... | Patty (2 episodes, 2004) |

| M.D. Walton | ... | Bartender / ... (2 episodes, 2004) |

| Rebekah Aramini | ... | Lauren Merritt (2 episodes, 2007) |

| Amy Sedaris | ... | Beth (2 episodes, 2007) |
 | Kevin Hagan | ... | Captain Sweeney / ... (2 episodes, 2004) |
 | Matthew Arkin | ... | Dr. Thompkins (2 episodes, 2004) |

| Jill Latiano | ... | Geneva (2 episodes, 2004) |
 | Don Sparks | ... | Dave Weidman / ... (2 episodes, 2004-2007) |

| Shavonne Conroy | ... | Mary (2 episodes, 2004) |
 | Larry Loonin | ... | Bartender / ... (2 episodes, 2004-2005) |

| Jessica O'Donohue | ... | Heather / ... (2 episodes, 2004) |
 | Larry McGee | ... | Ref (2 episodes, 2004) |

| Becky O'Donohue | ... | Brittany / ... (2 episodes, 2004) |

| Joseph E. Murray | ... | EMS Guy / ... (2 episodes, 2004-2005) |
 | Steve Hochmuth | ... | Hochmuth / ... (2 episodes, 2005-2007) |
 | Eric Bini | ... | NYPD Hockey Player / ... (2 episodes, 2004-2005) |

| Colleen Clinton | ... | Cute Redhead / ... (2 episodes, 2004-2005) |
 | Dominic Marcus | ... | Cop / ... (2 episodes, 2004-2005) |
 | Cam Neely | ... | Mungo (2 episodes, 2004-2005) |

| Kristina Apgar | ... | Nicole (2 episodes, 2004) |

| Larisa Polonsky | ... | Gina (2 episodes, 2004) |

| Aria Pullman | ... | China (2 episodes, 2004) |

| Rob Leo Roy | ... | Greg Kelly (2 episodes, 2004) |
 | Brittany Slattery | ... | Jo (2 episodes, 2004) |

| Lisamarie Costabile | ... | Ticket Booth Girl / ... (2 episodes, 2005-2006) |
 | Jones Miller | ... | AA Zombie / ... (2 episodes, 2005-2006) |

| Sonny Vellozzi | ... | Banquet Guest / ... (2 episodes, 2005-2006) |
 | Marlyne Afflack | ... | Coma Boy's Mom (2 episodes, 2005) |

| David Alan Basche | ... | Steve Bowden (2 episodes, 2005) |

| Caprice Benedetti | ... | Receptionist (2 episodes, 2005) |

| Shon Blotzer | ... | Kevin James (2 episodes, 2005) |
 | Rosemarie DeWitt | ... | Heather (2 episodes, 2005) |
 | Evan T. Reilly | ... | Evan (2 episodes, 2005) |

| Ramon Rodriguez | ... | Kevin Vasquez (2 episodes, 2005) |

| John Speredakos | ... | Jewish Cop (2 episodes, 2005) |

| Peter Van Wagner | ... | Dr. Feinberg / ... (2 episodes, 2005) |
 | Christopher Youngsman | ... | Flamboyant Gay Guy / ... (2 episodes, 2005) |
 | Phil Esposito | ... | Izzy (2 episodes, 2006-2007) |

| Kyle Hughes | ... | Firefighter Burns / ... (2 episodes, 2006-2007) |

| Anthony Alessandro | ... | Sebastian (2 episodes, 2006) |

| Alison Bartlett | ... | Deb Stackhouse (2 episodes, 2006) |

| Jennifer Ferrin | ... | Sara (2 episodes, 2006) |

| Dennis Funny | ... | Inmate 4706 (2 episodes, 2006) |
 | Adam Ian Gelfand | ... | Bar / ... (2 episodes, 2006) |

| Alison McAtee | ... | Bartender / ... (2 episodes, 2006) |

| Marjan Neshat | ... | Paula (2 episodes, 2006) |
 | Amy Raudenbush | ... | Cindy (2 episodes, 2006) |

| Corey Sorenson | ... | Greg (2 episodes, 2006) |
 | Lenny Venito | ... | Prison Guard (2 episodes, 2006) |
 | Wayne Scott Miller | ... | Basketball coach / ... (2 episodes, 2007) |
 | Keith Siglinger | ... | The Figure (2 episodes, 2007) |
|
| Michael Herlihy | .... | construction coordinator / construction foreman (49 episodes, 2004-2007) |
| Robert Blair | .... | construction electrician (32 episodes, 2004-2006) |
| Guido DeCurtis | .... | lead man / leadman (26 episodes, 2004-2005) |
| Michael Curry Jr. | .... | construction foreman / carpenter (24 episodes, 2006-2007) |
| Deborah Greene | .... | assistant set decorator (23 episodes, 2006-2007) |
| Joan Winters | .... | graphic designer (21 episodes, 2005-2007) |
| Eva P. Davy | .... | charge scenic (14 episodes, 2004-2006) |
| Jonathan Tessler | .... | property master (13 episodes, 2004-2006) |
| Jonathan B. Lee | .... | set dresser (13 episodes, 2004-2005) |
| Don O'Reilly | .... | props (13 episodes, 2006) |
| Lou Lotto | .... | construction production assistant (13 episodes, 2007) |
| Alyson Wellins | .... | art department coordinator (13 episodes, 2007) |
| Eric Dean | .... | art department assistant (12 episodes, 2007) |
| James Whelan | .... | on-set dresser (11 episodes, 2004) |
| Patrick Sarni | .... | art department assistant (7 episodes, 2006) |
| Michael Cycan | .... | carpenter (7 episodes, 2007) |
| Phil Devonshire | .... | construction electrician (7 episodes, 2007) |
| Tara Boccia | .... | props (5 episodes, 2005) |
| Cesar Baptista | .... | construction grip (2 episodes, 2007) |
| Thomas Costabile | .... | construction coordinator (1 episode, 2004) |
|
| Sarah Yasinski | .... | art department assistant (unknown episodes, 2008) |
| Lauren Buckley | .... | art department coordinator (unknown episodes) |
| Peter DeCurtis | .... | set dresser (unknown episodes) |
| Alanna Levy | .... | art department coordinator (unknown episodes) |
| Gifford Meyer | .... | set dresser (unknown episodes) |
| Holly Watson | .... | graphic artist (unknown episodes) |
| |
|
| James Bailey | .... | foley artist (39 episodes, 2005-2007) |
| Carrie Lisonbee | .... | assistant sound editor (29 episodes, 2005-2007) |
| Daryl Lathrop | .... | adr recordist (26 episodes, 2005-2006) |
| Hugh Murphy | .... | assistant sound editor (26 episodes, 2005-2006) |
| Ashley Harvey | .... | dialog editor / dialogue editor (25 episodes, 2006-2007) |
| Julie Altus | .... | adr recordist (20 episodes, 2006-2007) |
| Benjamin L. Cook | .... | supervising sound editor / sound supervisor (13 episodes, 2004) |
| Dean St. John | .... | adr mixer (13 episodes, 2005-2007) |
| Mike Marchain | .... | supervising sound editor (11 episodes, 2005-2007) |
| Eileen Horta | .... | supervising sound editor (9 episodes, 2006) |
| Kevin McCullough | .... | sound editor (5 episodes, 2006-2007) |
| Todd Niesen | .... | dialogue denoising (4 episodes, 2006) |
| John Boyd | .... | sound re-recording mixer (2 episodes, 2004-2007) |
| Tom Nelson | .... | sound mixer (2 episodes, 2004-2007) |
| Nello Torri | .... | sound re-recording mixer (2 episodes, 2004-2007) |
| Mark D. Fleming | .... | sound re-recording mixer (2 episodes, 2005-2006) |
| David Barbee | .... | sound effects editor (2 episodes, 2007) |
| Laurel Bridges | .... | boom operator (1 episode, 2007) |
| Mark DeSimone | .... | adr mixer: New York (1 episode, 2007) |
| Lee Gilmore | .... | foley editor (1 episode, 2007) |
| Ryan Heiferman | .... | adr recordist: New York (1 episode, 2007) |
| Keith Hodne | .... | adr recordist: New York (1 episode, 2007) |
| Gerry Lentz | .... | sound re-recording mixer (1 episode, 2007) |
| Daniel Nakamura | .... | sound re-recordist (1 episode, 2007) |
| Gary Parker | .... | boom operator (1 episode, 2007) |
| Jeff Rosen | .... | supervising sound editor (1 episode, 2007) |
| William Sarokin | .... | sound mixer (1 episode, 2007) |
| Mike Schmidt | .... | boom operator (1 episode, 2007) |
| Alec St. John | .... | assistant sound mixer (1 episode, 2007) |
| Rich Weingart | .... | sound re-recording mixer (1 episode, 2007) |
|
| Robert Guastini | .... | dialogue editor (unknown episodes) |
| |
|
| Jonathan Beck | .... | focus puller (44 episodes, 2004-2007) |
| T. Ray Treece | .... | on-set video assist (34 episodes, 2004-2007) |
| Malcolm A. Purnell | .... | assistant camera (26 episodes, 2004-2005) |
| Michael 'Flash' McDonald | .... | electrician (26 episodes, 2005-2007) |
| Glenn Fishel | .... | grip (22 episodes, 2004-2007) |
| Amy Albano | .... | second assistant camera / assistant camera (20 episodes, 2005-2007) |
| Justin Panzanaro | .... | grip (16 episodes, 2004-2005) |
| Mark Schwentner | .... | gaffer (15 episodes, 2004-2007) |
| Gregory F. Johnson | .... | grip (13 episodes, 2004) |
| Tim Davies | .... | best boy grip (13 episodes, 2005) |
| Joe Mellon | .... | dolly grip (13 episodes, 2005) |
| Chris Rosen | .... | electrician (13 episodes, 2006) |
| Vincent Camuto | .... | additional video assistant operator (13 episodes, 2007) |
| J. Dan Wright | .... | electrician (10 episodes, 2004-2005) |
| Cesar Baptista | .... | grip (4 episodes, 2007) |
| Chris Drechsler | .... | lighting technician (4 episodes, 2007) |
| Gary Martone | .... | key grip (2 episodes, 2004-2007) |
| Scott H. Ramsey | .... | gaffer (2 episodes, 2004-2007) |
| Jamie Silverstein | .... | camera operator / camera operator: "b" camera (2 episodes, 2004-2007) |
| Adam Hall | .... | grip (2 episodes, 2006-2007) |
| Daniel Luebke | .... | grip (2 episodes, 2007) |
| Gábor Kövér | .... | camera operator: "a" camera (1 episode, 2004) |
| Jonathan G. Beck | .... | first assistant camera (1 episode, 2007) |
| Tally Morse | .... | dolly grip (1 episode, 2007) |
| Gary Parker | .... | video tape operator (1 episode, 2007) |
| Craig Striano | .... | crane operator: Super Technocrane (1 episode, 2007) |
|
| Alec Jarnagin | .... | additional camera operator / additional steadicam operator (unknown episodes) |
| Tobias Juhl | .... | electrician (unknown episodes) |
| Jessica Miglio | .... | still photographer (unknown episodes) |
| Jon W. Rosenbloom | .... | best boy grip (unknown episodes) |
| |