 | John Travolta als Terl |
 | Barry Pepper als Jonnie Goodboy Tyler |
 | Forest Whitaker als Ker |
 | Kim Coates als Carlo |
 | Sabine Karsenti als Chrissy |
 | Christian Tessier als Mickey |
 | Sylvain Landry als Sammy |
 | Michael Byrne als Parson Staffer |
 | Richard Tyson als Robert the Fox |
| Christopher Freeman als Processing Clerk |
| Shaun Austin-Olsen als Planetship |
 | Tim Post als Assistant Planetship / Psychlo Guard |
 | Earl Pastko als Bartender |
 | Michel Perron als Rock |
 | Andy Bradshaw als Mason |
| Tait Ruppert als Rodman |
 | Kelly Preston als Chirk |
 | Marie-Josée Croze als Mara |
| Roger Christian | Director |
| Corey Mandell | Screenplay |
| J.D. Shapiro | Screenplay |
| Jonathan D. Krane | Producer |
| Elie Samaha | Producer |
| Elia Cmiral | Original Music Composer |
| Giles Nuttgens | Director of Photography |
| Robin Russell | Editor |
| Lynn Stalmaster | Casting |
| L. Ron Hubbard | Novel |
| John Travolta | Producer |
| Brett Paton | Animation |
| John Walsh | Stunts |
| Patrick Tatopoulos | Production Design |
| Andrew Stevens | Executive Producer |
| Ashok Amritraj | Executive Producer |
| Don Carmody | Executive Producer |
| Patrick Tatopoulos | Costume Design |
| Erik Henry | Visual Effects Supervisor |
| Patrick Tatopoulos | Creature Design |
| Tracee Stanley | Co-Producer |
| James A. Holt | Co-Producer |
| Anson Downes | Associate Producer |
| Linda Favila | Associate Producer |
| Jacky Lavoie | Unit Production Manager |
| Walter Gasparovic | First Assistant Director |
| Penny Charter | Second Assistant Director |
| Steve Lucescu | Stunt Coordinator |
| Mark Riccardi | Stunt Double |
| Claude Paré | Supervising Art Director |
| Oana Bogdan Miller | Art Direction |
| Michele Laliberte | Assistant Art Director |
| Martin Gendron | Assistant Art Director |
| Robert Stecko | Camera Operator |
| Brad Hruboska | Steadicam Operator |
| Joanne T. Harwood | Script Supervisor |
| Denis Dupont | Boom Operator |
| Pierre Vinet | Still Photographer |
| Randi Wells | Extras Casting |
| Michael Tinger | Post Production Supervisor |
| Louis Dandonneau | Set Dresser |
| Simon La Haye | Set Dresser |
| Jean Courteau | Chief Lighting Technician |
| Gilles Fortier | Best Boy Electrician |
| Robert Auclair | Key Grip |
| Bertrand Dupuis | Best Boy Grip |
| Patrick Lima | Dolly Grip |
| Bob Pritchett | Key Hair Stylist |
| Susan V. Kalinowski | Hairstylist |
| André Duval | Hairstylist |
| Jocelyne Bellemare | Key Makeup Artist |
| Michelle Bühler | Makeup Artist |
| Nicole Lapierre | Makeup Artist |
| Adrien Morot | Special Effects Key Makeup Artist |
| Mike Smithson | Special Effects Makeup Artist |
| John Gaskin | Production Accountant |
| Marci Graber | Post Production Accountant |
| Pamela Godfrey | Unit Publicist |
| Christopher S. Aud | Supervising Sound Editor |
| Jessica Gallavan | ADR Editor |
| Gloria D'Alessandro | Dialogue Editor |
| Teri E. Dorman | Dialogue Editor |
| Patrick J. Foley | Dialogue Editor |
| John T. Reitz | Sound Re-Recording Mixer |
| Gregg Rudloff | Sound Re-Recording Mixer |
| David E. Campbell | Sound Re-Recording Mixer |
| Christian P. Minkler | Sound Re-Recording Mixer |
| Ken S. Polk | Sound Re-Recording Mixer |
| Dan Hiland | Sound Re-Recording Mixer |
| Andy Kopetzky | Foley Editor |
| David Horton Jr. | Foley Editor |
| Dennis McNeill | Color Timer |
| Lynn Stalmaster | Casting Director |
