 | Kevin Zegers als Sam |
 | Laurence Fishburne als Briggs |
 | Bill Paxton als Mason |
 | Charlotte Sullivan als Kai |
 | John Tench als Viktor |
 | Atticus Mitchell als Graydon |
 | Dru Viergever als Feral Leader |
 | Romano Orzari als Reynolds |
 | Earl Pastko als Scientist |
 | Lisa Berry als Nara |
 | Lucius Hoyos als Rowan |
 | Michael Mando als Cooper |
 | Eric Murdoch als Terrified Man |
 | Kimberly-Sue Murray als Janelle |
 | Julian Richings als Leland |
 | John Healy als Dexter |
 | Kristin Shepherd als Elena |
 | Sten Eirik als Hal |
 | Alex Paxton-Beesley als Terrified Woman |
 | Mitchell Nye als Young Sam |
| Marc Schaberg | Executive Producer |
| Aidan Leroux | Production Design |
| Paul Barkin | Producer |
| Jeff Danna | Original Music Composer |
| Rory Cheyne | Art Direction |
| Patrick Tarr | Screenplay |
| Sharon Bialy | Casting |
| Lea Carlson | Costume Design |
| Jeff Renfroe | Director |
| Matthew Cervi | Producer |
| Sherry Thomas | Casting |
| Jeff Renfroe | Screenplay |
| Pierre Even | Producer |
| Marie-Claude Poulin | Producer |
| Patrick Tarr | Story |
| Pierre Gill | Director of Photography |
| Pascal Trottier | Story |
| Svet Rouskov | Additional Writing |
| Peter Graham | Executive Producer |
| Aaron Marshall | Editor |
| Pascal Trottier | Screenplay |
| Noah Segal | Executive Producer |
| Mark Slone | Executive Producer |
| Pierre-Jules Audet | Supervising Sound Editor |
| Phil Carvalho | Construction Coordinator |
| Jean-Philippe St-Laurent | Sound Editor |
| Terry Banting | Gaffer |
| Joe Susin | Set Decoration |
| Vanessa Vogel | Visual Effects |
| Louise Mackintosh | Makeup Effects |
| Philip Spurvey | Location Manager |
| Christopher Galea | Leadman |
| Louis Gignac | Sound Re-Recording Mixer |
| Lisa Shamata | Unit Publicist |
| Jean-François Sauvé | Sound Designer |
| Olivier Goulet | Visual Effects Supervisor |
| Julie Cardinal | Visual Effects Producer |
| Candide Franklyn | Steadicam Operator |
| Jamie Jones | Stunt Coordinator |
| Alan Moy | Transportation Coordinator |
| Colin Brunton | Production Manager |
| Peter Waffle | Leadman |
| Frederic Breault | CG Supervisor |
| Jean-Pierre Riverin | CG Supervisor |
| Grant Wilkins | Transportation Coordinator |
| Tara Woodbury | Story Editor |
| Jessamyn Horsman | Set Dresser |
| Charles Taylor | Armorer |
| Nathalie Cyr | Visual Effects Coordinator |
| Anita Guastella | Makeup Artist |
| Jessica Poyton | Set Dresser |
| Jessica Kardos | Visual Effects Coordinator |
| Andrew M. Robinson | First Assistant Director |
| Eleanor Mendes | Production Coordinator |
| Jozie Conte | Key Costumer |
| Antony Ellis | Camera Operator |
| Renee Chan | Assistant Hairstylist |
| Julia Carter | Assistant Makeup Artist |
| Peggy Kyriakidou | Key Hair Stylist |
| Shauna Llewellyn | Key Makeup Artist |
| Christina Scott | Special Effects Makeup Artist |
| Sarah Armstrong | Assistant Costume Designer |
| Bonnie Brown | Costumer |
| Minda Johnson | Costume Coordinator |
| Zenith Lillie-Eakett | Wardrobe Assistant |
| Mireille Moreau | Wardrobe Assistant |
| Jessie Raye | Wardrobe Assistant |
| Ryan Hunter | Best Boy Grip |
| James Torgerson | Camera Trainee |
| Chris Livingstone | Dolly Grip |
| Conor Cameron | Electrician |
| Darren Carruthers | Electrician |
| Cinar Eryasar | Electrician |
| Rob MacDonald | Electrician |
| Kelly Richardson | Electrician |
| Melanie St-Cyr | Electrician |
| Kevin LeBlanc | First Assistant Camera |
| Dave Sansford | Generator Operator |
| Mitch Holmes | Key Grip |
| Federico De Marco | Libra Head Technician |
| Tyler Emms | Rigging Grip |
| Johnathan Holmes | Second Assistant Camera |
| Joel Richardson | Art Department Assistant |
| Vince Consiglio | Carpenter |
| John Kelly Cuthbertson | Carpenter |
| Deirdre Hughes | Graphic Designer |
| Davin Snip | Property Master |
| Tyler Unrau | Props |
| Norm Ouzounis | Set Dresser |
| Harley Velasquez | Set Dresser |
| Antun Bosanac | Storyboard Artist |
| Trevor Goring | Storyboard Artist |
| Ryan McCondach | Storyboard Artist |
| Jeremy Simser | Storyboard Artist |
| Katharine Jane Reid | Script Supervisor |
| Maxime Lahaie | Assistant Editor |
| Marc Lussier | Digital Intermediate Colorist |
| Aric Dupere | Second Assistant Director |
| Shaun-Nicholas Gallagher | ADR Mixer |
| Patrick Rioux | ADR Engineer |
| Rob Sinko | ADR Mixer |
| Natalie Fleurant | ADR Supervisor |
| Simon Girard | Assistant Sound Editor |
| Sebastien Gervais | Assistant Sound Editor |
| Rolando Duque | Boom Operator |
| Constance Hilton | Boom Operator |
| Bertrand Duranleau | Foley |
| Herwig Gayer | Sound Mixer |
| Daniel Belair | CG Artist |
| Martin Belleau | CG Artist |
| Emmanuelle Couture | CG Artist |
| Mathieu Lapierre | CG Artist |
| Christian Menard | CG Artist |
| Robert Pellerin | CG Artist |
| David Thibodeau | CG Artist |
| Marc Morissette | Compositing Supervisor |
| Mathieu Archambault | Digital Compositor |
| Lisa Funkel | Digital Compositor |
| Daniel Boivin | Digital Compositor |
| Viviane Lévesque Bouchard | Digital Compositor |
| Jean-Baptiste Godin | Digital Compositor |
| Olivier Lavenant | Digital Compositor |
| Emily Vaillancourt | Digital Compositor |
| Sean O'Connor | Digital Compositor |
| Charles Richer | Digital Compositor |
| Samantha Combaluzier | Matte Painter |
| Maxime Dontigny | Rotoscoping Artist |
| Roxanne O'Connor | Rotoscoping Artist |
| Gabriel Martin | VFX Artist |
| Joanne Leach | Stunts |
