 | Ashley Johnson als Lilly |
 | Chad Lindberg als William |
 | Henry Czerny als Frank |
 | Seth Adkins als Sam |
 | Joseph D. Reitman als Glen |
 | Michael Ironside als Depressor |
 | Claudia Christian als Anna |
 | John Pleshette als Principal Holbrock |
 | Lee Weaver als Mr. Fishbau |
 | Sasha Mitchell als Reflexor |
 | Heather Marie Marsden als Elatia |
 | Amanda Fuller als Sally |
 | Jesse Plemons als Boe |
 | Liane Curtis als Samantha |
 | Helen Duffy als Businesswoman |
 | Jim Meskimen als Businessman |
| Jean Rouverol Butler als Elderly Receptionist |
| Dakota Floeter als Young William |
| Brenda Varda als Miss Chambers |
 | Jennifer Salt als Principal Love |
| Justin Lanning als Stoner 1 |
 | Diane Hudock als Mother |
| Suzanne Bridgham als Cheerleader 1 |
| Ksenia Stillwell als Girl in Bed |
| Hal Haberman | Writer |
| Tim Hunter | Director |
| Nancy Schreiber | Director of Photography |
| Mindy Bazar | Casting |
| Brian Ray | Original Music Composer |
| Abraham Laboriel Jr. | Original Music Composer |
| Ted Lowe | Music Supervisor |
| Andrew Seklir | Editor |
| Robert Shinso | Production Design |
| Kathrin Werner | Producer |
| Felix Werner | Producer |
| Pat Chapman | Unit Production Manager |
| Jeanine Rohn | First Assistant Director |
| Mitch Kelleher | Second Assistant Director |
| Rachel Dickson | Second Assistant Director |
| Hal Haberman | Co-Producer |
| Andrew Seklir | Co-Producer |
| Pat Chapman | Line Producer |
| Leah Welsh | Associate Producer |
| Carrie Morrow | Production Consultant |
| Missy Moyer | Production Supervisor |
| Sarah Curran | Production Coordinator |
| Brian Garbellini | First Assistant Camera |
| Andy Ray Lemon | Additional First Assistant Camera |
| Marie Chao | Additional First Assistant Camera |
| Kelly Richard | Second Assistant Camera |
| Nathaniel Miller | Second Assistant Camera |
| James Takata | Additional Second Assistant Camera |
| Pyongson Yim | Additional Second Assistant Camera |
| Michael Andrews | Art Direction |
| Kathryn Lundeen | Set Costumer |
| Tracy Wilcox Gillie | Makeup Department Head |
| Lorraine Martin | Makeup Artist |
| Sarah Elizabeth Anne Dickson | Assistant Makeup Artist |
| Kelly Sprinkle | Assistant Makeup Artist |
| Robyn Tolbert | Assistant Makeup Artist |
| Sherry Gunderman | Script Supervisor |
| Oliver L. Moss | Production Sound Mixer |
| Nina Frick | Boom Operator |
| Kevin Derr | Stunt Coordinator |
| Michael Hugghins | Utility Stunts |
| Alexa Sheehan | Second Second Assistant Director |
| Rick Steil | Still Photographer |
| Leah Welsh | Post Production Supervisor |
| Bernat Aragonés | Assistant Editor |
| Claes Nyström | Supervising Sound Editor |
| Claes Nyström | Sound Re-Recording Mixer |
| Jeremy Grody | Sound Re-Recording Mixer |
| Ron Ruzicka | Foley Mixer |
| Richard Partlow | Foley Artist |
| Ellen Heuer | Foley Artist |
| Craig Kuehne | Visual Effects |