
| Rachel Nichols | ... | Special Agent Rebecca Locke (13 episodes, 2005) |

| Adam Baldwin | ... | Special Agent Danny Love (13 episodes, 2005) |

| Katie Finneran | ... | Special Agent Melody Sim (13 episodes, 2005) |

| Nelsan Ellis | ... | Carter Howard (13 episodes, 2005) |

| Jay Harrington | ... | Special Agent Paul Ryan (13 episodes, 2005) |

| Peter Coyote | ... | Special Agent Virgil "Web" Webster (13 episodes, 2005) |

| Al Whiting | ... | L.A.P.D. / ... (13 episodes, 2005) |

| Rich Sickler | ... | Medical Examiner (4 episodes, 2005) |

| Matt O'Toole | ... | Pony Man (3 episodes, 2005) |

| Steve Sandvoss | ... | Corey Hall (3 episodes, 2005) |

| Fay Masterson | ... | Karen Ryan (2 episodes, 2005) |

| Tom Wright | ... | Glenn Terry (2 episodes, 2005) |
|
| Gareth Davies | .... | producer (13 episodes, 2005) |
| Jane Espenson | .... | co-executive producer (13 episodes, 2005) |
| Howard Gordon | .... | consulting producer (13 episodes, 2005) |
| Brian Grazer | .... | executive producer (13 episodes, 2005) |
| Richard Hatem | .... | supervising producer (13 episodes, 2005) |
| Tim Minear | .... | executive producer (13 episodes, 2005) |
| David Nevins | .... | executive producer (13 episodes, 2005) |
| Denise Pleune | .... | associate producer (11 episodes, 2005) |
| Craig Silverstein | .... | co-executive producer (11 episodes, 2005) |
| Ron Howard | .... | executive producer (8 episodes, 2005) |
| David Fury | .... | co-executive producer (5 episodes, 2005) |
| |
|
| Stacey Barber | .... | payroll accountant (13 episodes, 2005) |
| Tamara Becher | .... | script coordinator (13 episodes, 2005) |
| Alex Deerr | .... | production assistant (13 episodes, 2005) |
| John J. Gray | .... | executive assistant: Tim Minear (13 episodes, 2005) |
| Rob Pearlstein | .... | executive story editor (13 episodes, 2005) |
| Peter Barnett | .... | production auditor (12 episodes, 2005) |
| Crystal Carson | .... | dialogue coach (12 episodes, 2005) |
| Bob Hamer | .... | technical coordinator / technical consultant / ... (12 episodes, 2005) |
| Ali Kinney | .... | assistant: Gareth Davies (12 episodes, 2005) |
| Kevin J. Malloy | .... | production coordinator (12 episodes, 2005) |
| Tony Salome | .... | location manager (12 episodes, 2005) |
| Mary Wright | .... | script supervisor (12 episodes, 2005) |
| Tansey Allen | .... | set production assistant (11 episodes, 2005) |
| Robert Lane | .... | first assistant accountant (6 episodes, 2005) |
| Jack E. Herman | .... | extras set coordinator (2 episodes, 2005) |
|
| Pierre Beauchamp | .... | assistant location manager (unknown episodes) |
| Tristan Daoussis | .... | assistant location manager (unknown episodes) |
| Elan Dassani | .... | computer/video operator (unknown episodes) |
| Christopher Dempsey | .... | photo double (unknown episodes) |
| Chris DuBois | .... | production assistant (unknown episodes) |
| Jonathan Haug | .... | production assistant (unknown episodes) |
| Shawn Hueston | .... | key assistant location manager (unknown episodes) |
| Rob Lee | .... | assistant production coordinator (unknown episodes) |
| Michael Leffingwell | .... | production assistant (unknown episodes) |
| Anna Lauren Long | .... | assistant: second unit director (unknown episodes) |
| William Ostroff | .... | production assistant (unknown episodes) |
| Jonathan Persky | .... | assistant location manager (unknown episodes) |
| Lisa Ripley-Becker | .... | production coordinator (unknown episodes) |
| Charles Roxburgh | .... | production assistant (unknown episodes) |
| Jason Savage | .... | key assistant location manager (unknown episodes) |
| Heidi Strickler | .... | stand-in (unknown episodes) |
| Carla Thorpe | .... | assistant to writer (unknown episodes) |
| Matt Tulve | .... | set production assistant (unknown episodes) |
| Kelly Wheeler | .... | assistant: Mr. Davies (unknown episodes) |
| Oorala J. Yamada | .... | additional set production assistant (unknown episodes) |
| Winter Zemans | .... | assistant production coordinator (unknown episodes) |
| |