 | Jessica Biel als Julia Denning |
 | Jodelle Ferland als Jenny |
 | Stephen McHattie als Lt Dodd |
 | Jakob Davies als David |
 | William B. Davis als Sheriff Chestnut |
 | Samantha Ferris als Tracy |
 | Colleen Wheeler als Mrs. Johnson |
 | Eve Harlow als Christine |
 | Janet Wright als Trish |
 | Ferne Downey als Lady / Mrs. Parker Leigh |
 | John Mann als Douglas |
 | Teach Grant als Steven |
 | Garwin Sanford als Robert |
 | Lucas Myers als Deputy Campbell |
 | Pat Henman als Nurse at Police Infirmary |
 | Katherine Ramdeen als Carol |
 | Jodi Sadowsky als David's New Mother |
| Pascal Laugier | Director |
| Pascal Laugier | Writer |
| Kevin DeWalt | Producer |
| Jean-Charles Levy | Producer |
| Clément Miserez | Producer |
| Scott Kennedy | Producer |
| Todd Bryanton | Original Music Composer |
| Kamal Derkaoui | Director of Photography |
| Sébastien Prangère | Editor |
| Jean-Andre Carriere | Production Design |
| Jessica Biel | Executive Producer |
| David Cormican | Executive Producer |
| Gerard Damaer | Executive Producer |
| Thierry Desmichelle | Executive Producer |
| Lisa Donahue | Executive Producer |
| Nicolas Manuel | Executive Producer |
| Mark Montague | Executive Producer |
| Olivier Piasentin | Executive Producer |
| Steven Schneider | Executive Producer |
| Lionel Uzan | Executive Producer |
| Matthieu Warter | Executive Producer |
| Carmen Kotyk | Casting |
| Sydney Sharpe | Set Decoration |
| Angus Strathie | Costume Design |
| Christina Barry | Costume Supervisor |
| Vincent Sullivan | Hair Department Head |
| Natalie Cosco | Makeup Department Head |
| Zabrina Matiru | Key Makeup Artist |
| Asuka Sugiyama | Art Department Coordinator |
| Danny Scavuzzo | Construction Coordinator |
| Jordy Wihak | Property Master |
| Paul Jasper | Animal Coordinator |
| Delina Pierre | Script Supervisor |
| George Acogny | Music Supervisor |
| Tom Mayclim | Digital Intermediate |
| Dave Muscat | Digital Intermediate |
| Peter Armstrong | Digital Intermediate |
| John Trapman | Aerial Director of Photography |
| Danny Nowak | Second Unit Director of Photography |
| Norbert Kaluza | Steadicam Operator |
| Fabrice Grover | Still Photographer |
| Thibault Grabherr | Still Photographer |
| Latif Cavanaugh | Dolly Grip |
| Andy Hodgson | Dolly Grip |
| Rob Parrell | Key Grip |
| Peter La Rocque | Gaffer |
| Maya Batten-Young | Lighting Technician |
| Rob Hillstead | Lighting Technician |
| Kyle Mrazek | Lighting Technician |
| Paul Noël | Special Effects Coordinator |
| Richard Jasdadt | Visual Effects Editor |
| Jimmy Kounios | Visual Effects Editor |
| Beau Parsons | Visual Effects Coordinator |
| Daniel Beaulieu | Visual Effects Editor |
| Philippe Garnier | Visual Effects Producer |
| Patrick André | Visual Effects Producer |
| Jon Campfens | Visual Effects Supervisor |
| Colin Hubick | Visual Effects Supervisor |
| Nicolas Lim | Visual Effects Supervisor |
| Céline Sene | Visual Effects Supervisor |
| Roger Roscoe | Boom Operator |
| Eric Lesachet | Dialogue Editor |
| Vincent Mauduit | Sound Editor |
| Grégory Vincent | Foley |
| Frank White | Executive Producer |
