| Jill Hennessy | ... | Dr. Jordan Cavanaugh (credit only) | |
| Miguel Ferrer | ... | Dr. Garret Macy | |
| Ravi Kapoor | ... | Dr. Mahesh 'Bug' Vijayaraghavensatanaryanamurthy | |
| Steve Valentine | ... | Dr. Nigel Townsend (credit only) | |
| Kathryn Hahn | ... | Lily Lebowski | |
| Ivan Sergei | ... | Dr. Peter Winslow | |
| Jennifer Finnigan | ... | Dr. Devan Maguire | |
| Richard Biggs | ... | Dr. Russell Flynn | |
| Emily Deschanel | ... | Michelle | |
| Bradford English | ... | Frank Givens | |
| T.E. Russell | ... | Dave | |
| Kristoffer Ryan Winters | ... | Baby Face Brian (as Kristoffer Winters) | |
| Dey Young | ... | Taylor Parker Kent | |
| Megan Henning | ... | Waitress | |
| Jerry O'Connell | ... | Detective Woody Hoyt | |
| Liz Alvarado | ... | Marisol Vega | |
| Christopher Goodman | ... | Gordon Tolliver | |
| Melissa Haizlip | ... | Local Reporter | |
| Louis Iacoviello | ... | Officer Michaels | |
| Ruben Madera | ... | Arthur | |
| Benita Krista Nall | ... | Receptionist | |
| Michelle Page | ... | Natasha | |
| rest of cast listed alphabetically: | |||
| Andy B. Dardaine | ... | Police Officer (uncredited) | |
| Kimberly Pfeffer | ... | Amber (uncredited) | |
| Episode Crew |
Directed by | |||
| Allan Arkush | |||
Writing credits | ||
| Tim Kring | (creator) | |
| Kira Arne | (written by) (as Kira Arné) | |
Produced by | |||
| David Amann | .... | co-executive producer | |
| Allan Arkush | .... | co-executive producer | |
| Skip Beaudine | .... | co-producer | |
| Andi Bushell | .... | producer | |
| Gary Glasberg | .... | supervising producer | |
| Dennis Hammer | .... | co-executive producer | |
| Tim Kring | .... | executive producer | |
| Damon Lindelof | .... | supervising producer | |
| Kathy McCormick | .... | co-executive producer | |
| Lori Motyer | .... | co-producer | |
| Jim Praytor | .... | producer | |
| Mickie Reuster | .... | associate producer | |
Original Music by | |||
| Lisa Coleman | |||
| Wendy Melvoin | |||
Cinematography by | |||
| John B. Aronson | (director of photography) (as John Aronson) | ||
Film Editing by | |||
| Jon Koslowsky | |||
Casting by | |||
| Natalie Hart | |||
| Jason La Padura | |||
Production Design by | |||
| Curtis A. Schnell | (as Curtis Schnell) | ||
Art Direction by | |||
| Daniel J. Vivanco | (as Daniel Vivanco) | ||
Set Decoration by | |||
| Crista Schneider | |||
Costume Design by | |||
| Debra McGuire | |||
Makeup Department | |||
| Emjay Olson | .... | key hair stylist | |
| Geri B. Oppenheim | .... | key makeup artist | |
| Glenn Hetrick | .... | special makeup effects designer and supervisor (uncredited) | |
Production Management | |||
| Skip Beaudine | .... | unit production manager | |
| Tamara Isaac | .... | post-production supervisor | |
Second Unit Director or Assistant Director | |||
| Bruce Carter | .... | first assistant director | |
| Craig Harris | .... | second assistant director | |
Art Department | |||
| Curtis Allen | .... | set dresser | |
| Gay Perello | .... | property master | |
| Alun Vick | .... | construction coordinator | |
| Cyndy Canfield | .... | buyer (uncredited) | |
| Andrew Gersh | .... | set dresser (uncredited) | |
| Ty Jones Jr. | .... | set dresser (uncredited) | |
| Brad Turner | .... | props (uncredited) | |
| Paul Walton | .... | head paint foreman (uncredited) | |
| Julie Witherington | .... | first assistant props (uncredited) | |
Sound Department | |||
| Marc A. Gilmartin | .... | production sound mixer (as Marc Gilmartin) | |
| Gerry Lentz | .... | re-recording mixer | |
| Steven M. Sax | .... | sound supervisor | |
| Rich Weingart | .... | re-recording mixer | |
| Tim Chilton | .... | foley artist (uncredited) | |
| Kevin Meltcher | .... | assistant sound editor (uncredited) | |
| Brandon Keropian Olmos | .... | sound editor (uncredited) | |
Visual Effects by | |||
| Doug Ludwig | .... | visual effects supervisor | |
Stunts | |||
| Mary Albee | .... | stunt coordinator | |
Camera and Electrical Department | |||
| Jeff Case | .... | key grip | |
| Mark Marcum | .... | video playback supervisor | |
| Russell McElhatton | .... | camera operator (as Russ McElhatton) | |
| David Morton | .... | gaffer (as Dave Morton) | |
| Neil Toussaint | .... | first assistant camera | |
| Charles Crivier | .... | dolly grip (uncredited) | |
| Kenneth Estes | .... | computer and video playback operator (uncredited) | |
| Brian Heller | .... | aerial director of photography (uncredited) | |
| Greg Morris | .... | second assistant camera (uncredited) | |
Casting Department | |||
| Keri Owens | .... | casting associate | |
Costume and Wardrobe Department | |||
| Diane Crooke | .... | costume supervisor | |
| Stacy Caballero | .... | key costumer (uncredited) | |
Editorial Department | |||
| Amanda Lencioni | .... | post-production assistant | |
| Linda Rudloff | .... | assistant editor | |
Music Department | |||
| Jennifer Barak | .... | music editor | |
| Alicen Catron Schneider | .... | music supervisor | |
Transportation Department | |||
| Jon White | .... | transportation coordinator | |
| Dan Lazaretto | .... | transportation co-captain (uncredited) | |
Other crew | |||
| Erik Arbuthnot | .... | technical advisor | |
| Michael Daley | .... | script coordinator | |
| Todd Harthan | .... | assistant production coordinator | |
| George Larson | .... | location manager | |
| Merry Lowry-Donner | .... | script supervisor | |
| Julie Murphy | .... | production coordinator (as Julie Nygren) | |
| Joe Pokaski | .... | production assistant: writers | |
| Kathy Riley | .... | production accountant | |
| Sharon Lee Watson | .... | executive story editor | |
| Mari Wilson | .... | script supervisor | |
| Rich Bokides | .... | production assistant (uncredited) | |
| Gabrielle Glorious | .... | first assistant accountant (uncredited) | |
| Guillermo Lecuona | .... | title designer: main title sequence (uncredited) | |
| Main series | Episode guide | Full cast and crew |
| Company credits | IMDb TV section | IMDb Crime section |
| IMDb USA section |