 | David Hewlett als Dave |
 | Andrew Miller als Andrew |
 | Gordon Pinsent als Man In Suit |
 | Marie-Josée Croze als Sara |
 | Andrew Lowery als Crawford |
 | Elana Shilling als Little Girl |
 | Soo Garay als Little Girl's Mother |
 | Martin Roach als Co-Worker |
 | Angelo Tsarouchas als Foreman |
 | Rick Parker als Mounted Police Officer |
 | Maurice Dean Wint als Narrator (voice) |
| Vincenzo Natali | Executive Producer |
| Nohuhiko Sakotu | Executive Producer |
| Michael Andrews | Original Music Composer |
| Derek Rogers | Director of Photography |
| Andrew Lowery | Screenplay |
| Vincenzo Natali | Director |
| Hanno Huth | Executive Producer |
| Steven Hoban | Producer |
| Michele Conroy | Editor |
| Noah Segal | Executive Producer |
| Andrew Miller | Screenplay |
| Peter Cosco | Production Design |
| Jasna Stefanovic | Production Design |
| Anastasia Masaro | Art Direction |
| Alex Kavanagh | Costume Design |
| Vincenzo Natali | Story |
| David Hewlett | Story |
| Andrew Miller | Story |
| Bob Munroe | Visual Effects Producer |
| Bret Culp | Visual Effects Supervisor |
| Paul Rapovski | Stunt Coordinator |
| Plato Fountidakis | Stunt Coordinator |
| Stephen Barden | Sound Designer |
| Stephen Barden | Sound Supervisor |
| Craig Henighan | Sound Designer |
| Craig Henighan | Sound Supervisor |
| Todd Warren | Sound Re-Recording Mixer |
| Paula Devonshire | Line Producer |
| Andrew Lowery | Executive Producer |
| Andrew Miller | Executive Producer |
| Richard J. Anobile | Post Production Supervisor |
| Bill Spahic | First Assistant Director |
| Joanne Tickle | Second Assistant Director |
| Lisa Burling | Script Supervisor |
| Ken Chubb | Script Consultant |
| Robin D. Cook | Casting |
| Nicole Hilliard-Forde | Casting |
| Peter Atto | Set Decoration |
| Kent McIntyre | Set Buyer |
| Jon Beer | Set Dresser |
| Craig Harris | Set Dresser |
| Jon Bankson | Construction Coordinator |
| Mark Bryson | Head Carpenter |
| Jay Molloy | Standby Carpenter |
| Steve Meil | Key Scenic Artist |
| Yassar Monteleone | First Assistant Art Direction |
| Dan Milligan | Storyboard Artist |
| Kimberly Killam | Production Accountant |
| Mark Hunter | Props |
| Peter Miskimmin | Props |
| Sean Jensen | Steadicam Operator |
| Sean Jensen | Camera Operator |
| Midori Nagai | Costume Set Supervisor |
| Rob Mountjoy | First Assistant Camera |
| Tara Dixit | Second Assistant Camera |
| Sean Moore | Camera Trainee |
| Pief Weyman | Still Photographer |
| Jeremy Hudspith | Gaffer |
| Derek Porter | Best Boy Electric |
| David Riding | Electrician |
| Scott Tremblay | Electrician |
| Eric Berger | Key Grip |
| Carl Savage | Dolly Grip |
| Jeff Wachsmann | Best Boy Grip |
| John MacLean | Grip |
| Steven Bourne | Sound Recordist |
| Jorge Muniz | Boom Operator |
| Kelly Wright | Sound Recordist |
| Michael Sinnott | Stunt Double |
| Neil Davison | Stunt Double |
| Barb Barkley | Key Makeup Artist |
| Katrin Clark | Key Hair Stylist |
| John LaForet | Special Effects Coordinator |
| Allan Cooke | Makeup Effects Designer |
| Paul Jones | Makeup Effects Designer |
| Patrick Baxter | Special Effects Makeup Artist |
| Matthew Galliford | Special Effects Makeup Artist |
| Gérald Altenburg | Special Effects Makeup Artist |
| Mark Ahee | Key Special Effects |
| Kirk Middleton | Special Effects |
| Jason McKenzie | Production Coordinator |
| Siegfried Kopp | Third Assistant Director |
| Michael Bawcutt | Assistant Production Coordinator |
| Rita Bertucci | Extras Casting |
| Rick Parker | Animal Wrangler |
| Matthew Spahic | Animal Wrangler |
| Beverly Warren | Publicist |
| Monica Ionson | Assistant Accountant |
| John Temou | Location Manager |
| Mauro Sepe | Assistant Location Manager |
| Dave Herchenrader | Location Production Assistant |
| Steve Angel | Animation Director |
| Julian Grey | Animation Director |
| Kevin Murphy | Second Unit Director of Photography |
| Stephen Barden | Dialogue Editor |
| Jill Purdy | ADR Editor |
| Kevin Banks | Music Editor |
| Alex Bullick | First Assistant Sound Editor |
| John Sievert | Foley Artist |
| Peter Persaud | Foley Recordist |
| Gina Gyles | Assistant Foley Artist |
| Andrew Tay | Sound Re-Recording Mixer |
| Christian Carruthers | Sound Re-Recording Mixer |
| Matthew McKenzie | ADR Recordist |
| Colin McLellan | ADR Recordist |
| Jamie Gould | Sound Re-Recording Assistant |
| Kenn Elliott | Colorist |
| Mike Dubroskie | Colorist |
