 | Jeff Brenner | ... | Barrista (10 episodes, 2005-2006) |

| Clint Eastwood | ... | Himself (6 episodes, 2004-2008) |

| Charlize Theron | ... | Herself (6 episodes, 2004-2008) |

| Laura Linney | ... | Herself / ... (5 episodes, 2003-2008) |

| Kevin Costner | ... | Himself (5 episodes, 2003-2007) |

| Danny DeVito | ... | Himself (5 episodes, 2003-2007) |

| Ron Howard | ... | Himself (5 episodes, 2003-2006) |

| Robert Downey Jr. | ... | Himself (5 episodes, 2004-2006) |

| Peter Jackson | ... | Himself (5 episodes, 2004-2006) |

| George Clooney | ... | Himself (5 episodes, 2005-2008) |
 | Anne Thompson | ... | Herself (5 episodes, 2007-2008) |
 | Peter Bart | ... | Himself / ... (4 episodes, 2006-2008) |

| Peter Guber | ... | Himself / ... (4 episodes, 2006-2008) |

| Edward Norton | ... | Himself (4 episodes, 2003-2008) |

| Cuba Gooding Jr. | ... | Himself (4 episodes, 2003-2006) |

| Brian Grazer | ... | Himself (4 episodes, 2003-2006) |

| Adrien Brody | ... | Himself (4 episodes, 2004-2008) |

| Ben Kingsley | ... | Himself (4 episodes, 2004-2008) |
 | Todd McCarthy | ... | Himself (4 episodes, 2005-2008) |

| Francis Ford Coppola | ... | Himself (4 episodes, 2005-2006) |

| Paul Haggis | ... | Himself (4 episodes, 2005-2006) |

| Dustin Hoffman | ... | Himself (3 episodes, 2003-2004) |

| Samuel L. Jackson | ... | Himself (3 episodes, 2003-2004) |

| Sylvester Stallone | ... | Himself (3 episodes, 2003-2004) |
 | Fernando Meirelles | ... | Himself (3 episodes, 2004-2008) |

| Denzel Washington | ... | Himself (3 episodes, 2004-2008) |

| Virginia Madsen | ... | Herself (3 episodes, 2004-2007) |

| Brett Ratner | ... | Himself (3 episodes, 2004-2007) |

| Anthony Hopkins | ... | Himself (3 episodes, 2004-2006) |
 | Frank Pierson | ... | Himself (3 episodes, 2004-2005) |
 | Brian Lowry | ... | Himself (3 episodes, 2005-2008) |

| Michael Moore | ... | Himself (3 episodes, 2005-2007) |

| Sydney Pollack | ... | Himself (3 episodes, 2005-2007) |

| Don Cheadle | ... | Himself (3 episodes, 2006-2008) |

| Matt Dillon | ... | Himself (3 episodes, 2006) |

| Jack Black | ... | Himself (2 episodes, 2004-2008) |

| Patricia Clarkson | ... | Herself (2 episodes, 2004-2008) |

| Barry Levinson | ... | Himself (2 episodes, 2004-2008) |

| Art Linson | ... | Himself (2 episodes, 2004-2008) |
 | Michael London | ... | Himself (2 episodes, 2004-2008) |

| Kevin Spacey | ... | Himself (2 episodes, 2004-2008) |

| Harvey Weinstein | ... | Himself (2 episodes, 2004-2007) |

| Jamie Foxx | ... | Himself (2 episodes, 2004-2006) |

| Andy Garcia | ... | Himself (2 episodes, 2004-2006) |

| Jon Voight | ... | Himself (2 episodes, 2004-2006) |

| Christopher Walken | ... | Himself (2 episodes, 2004-2006) |

| Irwin Winkler | ... | Himself (2 episodes, 2004-2006) |

| Pierce Brosnan | ... | Himself (2 episodes, 2004-2005) |

| Garry Marshall | ... | Himself (2 episodes, 2004-2005) |
 | Denys Arcand | ... | Himself (2 episodes, 2004) |

| Keisha Castle-Hughes | ... | Herself (2 episodes, 2004) |

| Anjelica Huston | ... | Herself (2 episodes, 2004) |

| Gary Ross | ... | Himself (2 episodes, 2004) |

| Thomas Haden Church | ... | Himself (2 episodes, 2005-2008) |
 | David Glanzer | ... | Himself (2 episodes, 2005-2008) |

| Keira Knightley | ... | Herself (2 episodes, 2005-2008) |

| Joel Silver | ... | Himself (2 episodes, 2005-2007) |

| Hilary Swank | ... | Herself (2 episodes, 2005-2007) |

| Peter Bogdanovich | ... | Himself (2 episodes, 2005-2006) |

| Shirley MacLaine | ... | Herself (2 episodes, 2005-2006) |
 | Amy Pascal | ... | Herself (2 episodes, 2005-2006) |

| Joaquin Phoenix | ... | Himself (2 episodes, 2005-2006) |

| Burt Reynolds | ... | Himself (2 episodes, 2005-2006) |

| John Singleton | ... | Himself (2 episodes, 2005-2006) |

| Robert Evans | ... | Himself (2 episodes, 2005) |

| Peter Falk | ... | Himself (2 episodes, 2005) |

| Whayne Jerome-Clayton | ... | Coffee Shop Goer (2 episodes, 2005) |

| Paul Reiser | ... | Himself (2 episodes, 2005) |

| Bryan Singer | ... | Himself (2 episodes, 2005) |

| Richard D. Zanuck | ... | Himself (2 episodes, 2005) |

| Greg Kinnear | ... | Himself (2 episodes, 2006-2008) |

| Forest Whitaker | ... | Himself (2 episodes, 2006-2008) |

| Aaron Eckhart | ... | Himself (2 episodes, 2006-2007) |
 | Sidney Ganis | ... | Himself (2 episodes, 2006-2007) |

| Dennis Hopper | ... | Himself (2 episodes, 2006-2007) |
 | Joy King | ... | Herself (2 episodes, 2006-2007) |
 | George Miller | ... | Himself (2 episodes, 2006-2007) |
 | Terry Semel | ... | Himself (2 episodes, 2006) |

| Steven Spielberg | ... | Himself (2 episodes, 2006) |
 | Howard Stringer | ... | Himself (2 episodes, 2006) |

| Roger Daltrey | ... | Himself (2 episodes, 2007-2008) |
 | Geoffrey Gilmore | ... | Himself (2 episodes, 2007-2008) |

| Bill Maher | ... | Himself (2 episodes, 2007-2008) |
 | Jay Roach | ... | Himself (2 episodes, 2007-2008) |

| Seth Rogen | ... | Himself (2 episodes, 2007-2008) |
 | Jane Rosenthal | ... | Herself (2 episodes, 2007-2008) |

| Guillermo del Toro | ... | Himself (2 episodes, 2007-2008) |

| Michael Douglas | ... | Himself (2 episodes, 2007) |

| John Waters | ... | Himself (2 episodes, 2007) |
 | Jim Wilson | ... | Himself (2 episodes, 2007) |
 | Jason Reitman | ... | Himself (2 episodes, 2008) |
 | Joe Wright | ... | Himself (2 episodes, 2008) |
|
| Christian Fredette | .... | talent coordinator / production assistant / ... (58 episodes, 2006-2008) |
| Jaime Foster | .... | production coordinator / assistant coordinator / ... (51 episodes, 2006-2008) |
| Brittany Dust | .... | executive assistant to producer (49 episodes, 2006-2007) |
| A.J. Lewis | .... | assistant: Peter Guber / production associate (39 episodes, 2003-2004) |
| Jackie Hakim | .... | stage manager (30 episodes, 2007-2008) |
| Dave Mitchell | .... | production assistant (28 episodes, 2007-2008) |
| Joy Dolce | .... | talent executive (14 episodes, 2007) |
| Joshua Pendleton | .... | production assistant (11 episodes, 2004-2005) |
| David Garegnani | .... | production associate (11 episodes, 2006) |
| Kate Ryu | .... | production assistant (10 episodes, 2007-2008) |
| Arjen van Eijmeren | .... | production associate (9 episodes, 2006) |
| Dick Roecker | .... | technical director (9 episodes, 2007-2008) |
| Robin Felsen Von Halle | .... | associate director (9 episodes, 2007) |
| Sheldon Swift | .... | production assistant (9 episodes, 2007) |
| Michelle Stuart | .... | talent executive (9 episodes, 2008) |
| Veronica Barriga | .... | production intern (8 episodes, 2005) |
| David Mitchell | .... | production assistant (8 episodes, 2007) |
| Dave Mortell | .... | researcher (8 episodes, 2007) |
| Dave Frick | .... | production assistant (7 episodes, 2007) |
| Christina Reynolds | .... | production assistant (6 episodes, 2008) |
| Mark Parsons | .... | researcher (5 episodes, 2007) |
| Kelly Boston | .... | production assistant (4 episodes, 2007) |
| Andrew Dudley | .... | researcher (4 episodes, 2007) |
| Ryan Perkins | .... | production assistant (4 episodes, 2008) |
| Johnny Casas | .... | logger / post -production assistant (3 episodes, 2007-2008) |
| David Charles | .... | stage manager (3 episodes, 2007) |
| Patrick Heyboer | .... | production assistant (3 episodes, 2007) |
| Joe Warner | .... | production assistant (3 episodes, 2007) |
| Michael Damico | .... | production assistant (3 episodes, 2008) |
| Tom Hayes | .... | production assistant (2 episodes, 2007) |
| Kate Landau | .... | production assistant (2 episodes, 2007) |
| Josh Milas | .... | production assistant (2 episodes, 2007) |
| Jeff Osborn | .... | production assistant (2 episodes, 2007) |
| Dave Plank | .... | production assistant (2 episodes, 2007) |
| Dennis Santos | .... | production assistant (2 episodes, 2007) |
| Kevin Scarboro | .... | post supervisor (2 episodes, 2007) |
| Cary Volpert | .... | intern (2 episodes, 2007) |
| Nancy Yaldizian | .... | production assistant (2 episodes, 2007) |
|
| Beverly Abbott | .... | production assistant (unknown episodes) |
| David Buchan | .... | production assistant (unknown episodes) |
| Melissa Chase | .... | assistant production coordinator (unknown episodes) |
| James Cluster | .... | intern (unknown episodes) |
| Andrew T. Lee | .... | intern (unknown episodes) |
| |