
| Eliza Dushku | ... | Tru Davies (27 episodes, 2003-2005) |

| Shawn Reaves | ... | Harrison Davies (27 episodes, 2003-2005) |

| Zach Galifianakis | ... | Davis (27 episodes, 2003-2005) |

| A.J. Cook | ... | Lindsay Walker (21 episodes, 2003-2004) |

| Matthew Bomer | ... | Luc Johnston (18 episodes, 2003-2004) |

| Jessica Collins | ... | Meredith Davies (15 episodes, 2003-2004) |

| Jason Priestley | ... | Jack Harper (14 episodes, 2004-2005) |
 | Benjamín Benítez | ... | Gardez (14 episodes, 2003-2004) |

| Liz Vassey | ... | Dr. Carrie Allen (6 episodes, 2005) |

| Cotter Smith | ... | Richard Davies (6 episodes, 2004-2005) |

| Eric Christian Olsen | ... | Jensen Ritchie (5 episodes, 2005) |

| Lizzy Caplan | ... | Avery Bishop (4 episodes, 2005) |

| Kristoffer Polaha | ... | Mark Evans (3 episodes, 2003) |

| Parry Shen | ... | Tyler Li (3 episodes, 2005) |

| John Reardon | ... | Randall Thompson (3 episodes, 2004) |

| Michelle Harrison | ... | Michelle Carey (2 episodes, 2004) |
 | Fred Ewanuick | ... | Brian (2 episodes, 2003-2004) |
 | Greg Anderson | ... | Professor Seidel (2 episodes, 2005) |

| Adrian Holmes | ... | Victor (2 episodes, 2005) |

| Karin Konoval | ... | Detective / ... (2 episodes, 2004-2005) |
 | Julia Arkos | ... | Cashier (2 episodes, 2004) |
 | Victoria Tennant | ... | 10 Year Old Tru / ... (2 episodes, 2003-2004) |
 | Shahnee Zaver | ... | Nurse (2 episodes, 2005) |
 | Jason McKinnon | ... | Busboy / ... (2 episodes, 2004) |

| Artine Brown | ... | Detective Morgan / ... (2 episodes, 2005) |

| Nate Dushku | ... | Marty / ... (2 episodes, 2003-2005) |
 | Susan Lay | ... | Liz (2 episodes, 2005) |
|
| Dawn Parouse | .... | executive producer (27 episodes, 2003-2005) |
| Marty Adelstein | .... | executive producer (26 episodes, 2003-2005) |
| Jon Harmon Feldman | .... | executive producer (26 episodes, 2003-2005) |
| Neal H. Moritz | .... | executive producer (26 episodes, 2003-2005) |
| Robert Doherty | .... | producer / co-producer (25 episodes, 2003-2005) |
| Zack Estrin | .... | supervising producer (25 episodes, 2003-2005) |
| Kathy Gilroy-Sereda | .... | line producer (25 episodes, 2003-2005) |
| Scott Shepherd | .... | consulting producer (22 episodes, 2003-2005) |
| Brian Wankum | .... | associate producer (21 episodes, 2003-2004) |
| R.W. Goodwin | .... | executive producer (20 episodes, 2003-2004) |
| Douglas Petrie | .... | co-executive producer (20 episodes, 2003-2004) |
| Chris Levinson | .... | supervising producer (19 episodes, 2003-2004) |
| Michael Katleman | .... | co-executive producer (13 episodes, 2004-2005) |
| Chris Brancato | .... | consulting producer (12 episodes, 2003-2004) |
| Bert Salke | .... | consulting producer (12 episodes, 2003-2004) |
| Doris Egan | .... | co-executive producer / consulting producer (12 episodes, 2004-2005) |
| Jane Espenson | .... | co-executive producer (6 episodes, 2005) |
| Richard Hatem | .... | supervising producer (6 episodes, 2005) |
| Agatha Warren | .... | associate producer (6 episodes, 2005) |
| Brieann Rich | .... | associate producer (3 episodes, 2003) |
| Nicholas Rich | .... | associate producer (3 episodes, 2003) |
| |
|
| Frank Haddad | .... | head greensman (27 episodes, 2003-2005) |
| Christopher Cooper | .... | property master (25 episodes, 2003-2005) |
| Mike Rennison | .... | construction coordinator (25 episodes, 2003-2005) |
| Jenny Seinen | .... | head painter (25 episodes, 2003-2005) |
| Michael Love | .... | assistant property master (20 episodes, 2003-2004) |
| Lynn Snedden | .... | art department assistant (20 episodes, 2003-2004) |
| Scott Stewart | .... | lead dresser (19 episodes, 2003-2004) |
| Michael Jovanovski | .... | lead dresser (7 episodes, 2003-2005) |
| David Hadaway | .... | set designer (6 episodes, 2003) |
| Terry Gonsalves | .... | on-set dresser (6 episodes, 2005) |
|
| Melanie Cassidy | .... | art department coordinator (unknown episodes) |
| Karen Mullen | .... | assistant property master (unknown episodes) |
| Dennis Simard | .... | set dresser (unknown episodes) |
| |
|
| David Cameron | .... | key grip (26 episodes, 2003-2005) |
| Seth Hettrick | .... | key rigging grip (26 episodes, 2003-2005) |
| Sandy Cooper | .... | first assistant camera / camera assistant (25 episodes, 2003-2005) |
| Daryl Hartwell | .... | dolly operator (21 episodes, 2003-2004) |
| Fraser Boyle | .... | key grip (19 episodes, 2003-2004) |
| Doug Schwartz | .... | camera operator (15 episodes, 2003-2004) |
| Jeff Pentecost | .... | gaffer (12 episodes, 2003-2004) |
| Stephen Jackson | .... | gaffer (6 episodes, 2004) |
| Ryan Bailey | .... | gaffer (6 episodes, 2005) |
| Peter Wilke | .... | camera operator (6 episodes, 2005) |
| Krista Stumph | .... | camera trainee (3 episodes, 2004) |
| Terry Calhoun | .... | gaffer (2 episodes, 2003-2004) |
| Aaron Haesler | .... | camera trainee (2 episodes, 2004) |
| Junichi Hosoi | .... | camera operator (2 episodes, 2004) |
| Marty McInally | .... | camera operator (2 episodes, 2004) |
|
| Chris Banting | .... | dolly grip (unknown episodes) |
| Paul Brebner | .... | second assistant camera (unknown episodes) |
| Warren Bruce | .... | generator operator (unknown episodes) |
| Sacha Fassaert | .... | assistant camera: underwater unit (unknown episodes) |
| David Gray | .... | still photographer (unknown episodes) |
| Derek Roald Hall | .... | grip (unknown episodes) |
| Dale H. Jahraus | .... | camera operator (unknown episodes) |
| Gary Stamford | .... | lamp operator (unknown episodes) |
| Joe Waistell | .... | first assistant camera (unknown episodes) |
| Michael Wiebe | .... | lighting technician (unknown episodes) |
| |
|
| Brieann Rich | .... | set medic (27 episodes, 2003-2005) |
| Nicholas Rich | .... | key paramedic (27 episodes, 2003-2005) |
| Dana Greenblatt | .... | assistant: Jon Feldman (26 episodes, 2003-2005) |
| Stacey Levin | .... | head publicist (26 episodes, 2003-2005) |
| Angela Will | .... | accountant (26 episodes, 2003-2005) |
| Heather Fox | .... | assistant: Marty Adelstein (25 episodes, 2003-2005) |
| Neil Levin | .... | script coordinator (25 episodes, 2003-2005) |
| Kelli Stember | .... | assistant: Dawn Parouse (25 episodes, 2003-2005) |
| Jackie Pytel | .... | assistant: R.W. Goodwin (20 episodes, 2003-2004) |
| Scott Steyns | .... | playback coordinator (18 episodes, 2003-2004) |
| Roberta Cenedese | .... | production coordinator (15 episodes, 2003-2005) |
| Nikki King | .... | assistant: Neal Moritz (14 episodes, 2004-2005) |
| Clark Candy | .... | production coordinator (13 episodes, 2003-2005) |
| Danny McWilliams | .... | location manager (13 episodes, 2003-2005) |
| Scott Walden | .... | location manager (12 episodes, 2003-2005) |
| Russell Brown | .... | assistant: Neal Moritz (12 episodes, 2003-2004) |
| Helga Ungurait | .... | script supervisor (10 episodes, 2003-2005) |
| Stephanie Williams | .... | assistant to writer (8 episodes, 2003-2005) |
| Elysia Bliss Pyne | .... | production assistant (7 episodes, 2003) |
| Patricia Barry | .... | script supervisor (7 episodes, 2004-2005) |
| Petina Louise | .... | assistant: Michael Katleman (7 episodes, 2004) |
| Lana Krotenko | .... | script supervisor (6 episodes, 2003-2004) |
| William Sind | .... | story editor (6 episodes, 2004) |
| Dani Elias | .... | assistant: Kathy Gilroy-Sereda (6 episodes, 2005) |
| Debra Fallek | .... | assistant: Michael Katleman (6 episodes, 2005) |
| Evan Allen | .... | production assistant (5 episodes, 2004) |
| Jill Sayre | .... | voice-over (4 episodes, 2003-2005) |
| Eunice Choi | .... | production assistant (2 episodes, 2003) |
| Micheal Bahta | .... | assistant to cast (2 episodes, 2004) |
| Lara P. Fox | .... | script supervisor (2 episodes, 2004) |
| Alysa Sun | .... | production assistant (2 episodes, 2005) |
|
| Sean Cummings | .... | office production assistant (unknown episodes) |
| Lesley DeHaan | .... | office production assistant (unknown episodes) |
| Shane Deschamps | .... | set supervisor (unknown episodes) |
| Jessica Drake | .... | dialect coach (unknown episodes) |
| Karen Nielsen | .... | office production assistant (unknown episodes) |
| Harley Pasternak | .... | personal trainer (unknown episodes) |
| Michael Roberts | .... | assistant location manager (unknown episodes) |
| |