 | Lauren Conrad | ... | Herself (83 episodes, 2006-2009) |
 | Audrina Patridge | ... | Herself (81 episodes, 2006-2009) |
 | Heidi Montag | ... | Herself (81 episodes, 2006-2009) |
 | Whitney Port | ... | Herself (69 episodes, 2006-2008) |
 | Stephanie Pratt | ... | Herself (39 episodes, 2007-2009) |
 | Spencer Pratt | ... | Himself (30 episodes, 2006-2009) |
 | Lauren Bosworth | ... | Herself (23 episodes, 2008-2009) |
 | Lisa Love | ... | Herself (16 episodes, 2006-2007) |

| Frankie Delgado | ... | Himself (16 episodes, 2007-2009) |
 | Brody Jenner | ... | Himself (16 episodes, 2007-2008) |
 | Holly Montag | ... | Herself (15 episodes, 2008-2009) |
 | Jordan Eubanks | ... | Himself (10 episodes, 2006) |

| Brian Drolet | ... | Himself (10 episodes, 2006) |
 | Kelly Cutrone | ... | Herself (10 episodes, 2008-2009) |
 | Jason Wahler | ... | Himself (9 episodes, 2006-2007) |
 | Justin Brescia | ... | Himself (9 episodes, 2008-2009) |
 | Chiara Kramer | ... | Herself (8 episodes, 2008-2009) |
 | Kimberly Brandon | ... | Herself (7 episodes, 2008-2009) |
 | Elodie Otto | ... | Herself (6 episodes, 2007) |
 | Doug Reinhardt | ... | Himself (5 episodes, 2008-2009) |
 | Jennifer Bunney | ... | Herself (4 episodes, 2007-2009) |
 | Brent Bolthouse | ... | Himself (4 episodes, 2008-2009) |
 | Darlene Egelhoff | ... | Herself (4 episodes, 2008-2009) |
 | Casey Patridge | ... | Herself (4 episodes, 2008) |
 | Jayde Nicole | ... | Herself (4 episodes, 2009) |
 | Jarett Del Bene | ... | Jarett Del Bene (3 episodes, 2007-2008) |
 | Corey Bohan | ... | Himself (3 episodes, 2008) |

| Julie Krystina | ... | Herself / ... (3 episodes, 2008) |

| Colton Haynes | ... | Model (2 episodes, 2007) |
 | Jennifer Howie | ... | Jennifer (2 episodes, 2007) |
 | Cameron Huston | ... | Himself (2 episodes, 2008-2009) |
 | The White Tie Affair | ... | Themselves (2 episodes, 2008-2009) |
 | Lady GaGa | ... | Herself (2 episodes, 2008) |
 | The Pussycat Dolls | ... | Themselves (2 episodes, 2008) |
 | Ashley Roberts | ... | Herself (2 episodes, 2008) |
 | Alex Smith | ... | Himself (2 episodes, 2008) |
 | Jordana Mansbacher | ... | Herself (2 episodes, 2009) |
 | Bill Montag | ... | Himself (2 episodes, 2009) |
 | Taylor Mosher | ... | Himself (2 episodes, 2009) |
|
| Adam DiVello | .... | executive producer (71 episodes, 2006-2008) |
| Sara Mast | .... | co-executive producer / executive producer (58 episodes, 2007-2009) |
| Sean Travis | .... | co-executive producer / executive producer (35 episodes, 2006-2007) |
| Jason Sands | .... | series producer / supervising producer (34 episodes, 2006-2007) |
| Tony DiSanto | .... | executive producer (32 episodes, 2006-2007) |
| Liz Gateley | .... | executive producer (32 episodes, 2006-2007) |
| Andrew Perry | .... | producer / supervising producer (32 episodes, 2006-2007) |
| Michael 'Spike' Van Briesen | .... | supervising producer / supervising field producer (29 episodes, 2007-2008) |
| Joshua Harnden | .... | story producer / story editor (28 episodes, 2006-2008) |
| Colin Nash | .... | co-executive producer / supervising producer (22 episodes, 2006-2007) |
| Kristofer Lindquist | .... | producer / supervising producer (20 episodes, 2008-2009) |
| Suzanne Greenfield | .... | post-production producer (19 episodes, 2006-2007) |
| William Langworthy | .... | supervising producer / co-executive producer (12 episodes, 2008-2009) |
| Sandra Soczka | .... | post-production producer (10 episodes, 2006) |
| Hisham Abed | .... | producer (6 episodes, 2008) |
|
| Lenid Rolov | .... | supervising producer (unknown episodes) |
| |
|
| Carston Bell | .... | aerial camera operator (68 episodes, 2006-2008) |
| Abby Linne | .... | camera operator (58 episodes, 2007-2009) |
| Greg Matthews | .... | camera operator (26 episodes, 2007-2008) |
| Rachel Morrison | .... | camera operator / additional director of photography (21 episodes, 2007-2008) |
| René Vargas | .... | assistant camera (20 episodes, 2007-2008) |
| Jani Zandovskis | .... | camera operator (12 episodes, 2007) |
| Decker Watson | .... | assistant camera / camera operator (8 episodes, 2007) |
| Scott Rettberg | .... | assistant camera (5 episodes, 2006) |
| Lisa Joy LoMurray | .... | assistant camera (5 episodes, 2007) |
| Lucas O'Brien | .... | camera operator (4 episodes, 2007-2008) |
| John Malvino | .... | camera operator (4 episodes, 2007) |
| Jeremiah Reddick | .... | lighting crew (4 episodes, 2008) |
| Justin Stewart Johnson | .... | assistant camera (2 episodes, 2007-2008) |
| John Romeo | .... | camera operator (2 episodes, 2007-2008) |
| Sharra Jenkins | .... | assistant camera (2 episodes, 2007) |
| Michael Appel | .... | lighting director (2 episodes, 2008) |
| Mike Grimes | .... | gaffer (2 episodes, 2008) |
| J.M. Hurley | .... | video engineer (2 episodes, 2008) |
| Christopher Landy | .... | lighting designer (2 episodes, 2008) |
| Matthew Piercy | .... | lighting director (2 episodes, 2008) |
|
| Bryan Heffron | .... | first assistant camera (unknown episodes) |
| Doug Longwill | .... | camera operator (unknown episodes) |
| Alan Mackulin | .... | assistant camera (unknown episodes) |
| |
|
| Dylan Thomas | .... | stringout editor (50 episodes, 2006-2008) |
| Vanessa Hughes | .... | assistant editor / associate editor / ... (49 episodes, 2007-2009) |
| Adam Michael Gayheart | .... | post-production assistant (33 episodes, 2007-2008) |
| Ralik Rachman | .... | post-production assistant (12 episodes, 2007) |
| Adam Lichtenstein | .... | additional editor / contributing editor (10 episodes, 2006-2007) |
| Jeremy Weinstein | .... | stringout editor / assistant editor (10 episodes, 2007) |
| Joe Sperandeo | .... | stringout editor (9 episodes, 2007) |
| Sunny Bresin | .... | stringout editor / assistant editor (4 episodes, 2006-2007) |
| Jessie Sock | .... | assistant editor (4 episodes, 2006) |
| Kristofer Lindquist | .... | additional editor (4 episodes, 2007) |
|
| Taylor Greathead | .... | assistant editor (unknown episodes) |
| Christian Miglio | .... | junior editor (unknown episodes) |
| Tony Nagatani | .... | junior editor (unknown episodes) |
| |
|
| Kelly Schwartz | .... | production accountant (71 episodes, 2006-2008) |
| Aaron Fitzgerald | .... | helicopter pilot (70 episodes, 2006-2008) |
| Ryan Hedegard | .... | clearance coordinator (70 episodes, 2007-2009) |
| Nicolae Predescu Jr. | .... | production management (46 episodes, 2006-2008) |
| Christine Duell | .... | executive assistant / talent coordinator (43 episodes, 2006-2008) |
| Libby Niles | .... | voice-over (40 episodes, 2007-2008) |
| Irene Pacheco | .... | production coordinator / production office assistant (35 episodes, 2007-2008) |
| Brian Runnels | .... | production assistant (26 episodes, 2007) |
| Erin Brindley | .... | production assistant (24 episodes, 2007-2008) |
| Matthew Vitale | .... | business & legal affairs / legal counsel (22 episodes, 2007) |
| Emily Gold | .... | office production assistant / production coordinator (20 episodes, 2007-2008) |
| Jonathan Barger | .... | production assistant (15 episodes, 2008) |
| Jenny Morgan | .... | executive assistant (14 episodes, 2007) |
| Ralik Rachman | .... | production assistant (12 episodes, 2007) |
| Robert Bryan Rodriguez | .... | clearance coordinator (12 episodes, 2007) |
| Darren Roth | .... | production coordinator (10 episodes, 2006) |
| Seth Allen Martin | .... | production assistant (10 episodes, 2007-2008) |
| Jahnna Randall | .... | clearance production assistant (10 episodes, 2009) |
| Joshua Harnden | .... | associate story editor (9 episodes, 2006) |
| Andrea Gruber | .... | publicist (5 episodes, 2006) |
| Ash Minnick | .... | production assistant (5 episodes, 2007) |
| Cara Mullins | .... | production assistant (4 episodes, 2008) |
| Sam Krueger | .... | production assistant (3 episodes, 2006-2007) |
| Matt Bennett | .... | production coordinator (3 episodes, 2006) |
| Arielle Solc | .... | production assistant (3 episodes, 2007-2008) |
| Kirsten Clevenger | .... | production assistant (2 episodes, 2007-2008) |
|
| Benilda 'Bunny' Capule | .... | finance manager (unknown episodes, 2006) |
| Jeffrey Angulo | .... | production accountant (unknown episodes) |
| Bryan Heffron | .... | technical supervisor (unknown episodes) |
| David Kraemer | .... | technical assistant (unknown episodes) |
| Lisa Litter | .... | development (unknown episodes) |
| Richard 'Mercury' Melendez | .... | production assistant (unknown episodes) |
| Vinny Smith | .... | clearance coordinator (unknown episodes) |
| |