 | Ethan Hawke als Bruce Kenner |
 | Emma Watson als Angela Gray |
 | David Thewlis als Professor Kenneth Raines |
 | Lothaire Bluteau als Reverend Murray |
 | Aaron Ashmore als George Nesbitt |
 | Dale Dickey als Rose Gray |
 | David Dencik als John Gray |
 | Devon Bostick als Roy Gray |
 | Peter MacNeill als Cleveland |
 | Adam Butcher als Brody |
 | Jacob Neayem als Charlie Klemme |
 | Aaron Abrams als Farrell |
 | Catherine Disher als Kate |
 | Julian Richings als Tom |
 | Kristian Bruun als Andrew |
 | Wendy Lyon als Norma |
 | Maura Grierson als TV Reporter |
 | Patrick Garrow als TV Presenter |
 | Janet Porter als S. Cooper |
 | Deborah Grover als Old Woman |
 | Lenno Britos als Driver |
 | Pamela MacDonald als Woman with Grocery Cart |
 | Goran Stjepanovic als Satanist |
 | James Preston Rogers als Satanist |
 | Heather Lapine als Satanist |
 | Carrie Eklund als Satanist |
 | Adrian Griffin als Doctor |
 | Stephen Hughes als TV Voice Over (voice) |
 | Vanessa Spencer als Satanist (uncredited) |
| Noah Segura als Reverend Simmons (uncredited) |
| Attila Sebesy als Cult Member (uncredited) |
| Alli McLaren als Girl (uncredited) |
| Mackenzie Kerfoot als Praying Girl (uncredited) |
| Sonia Grande | Costume Design |
| Jina Jay | Casting |
| Bob Weinstein | Executive Producer |
| Harvey Weinstein | Executive Producer |
| Carol Spier | Production Design |
| Roque Baños | Music |
| Elinor Rose Galbraith | Art Direction |
| Fernando Bovaira | Producer |
| Alejandro Amenábar | Screenplay |
| Alejandro Amenábar | Director |
| Alejandro Amenábar | Producer |
| Daniel Aranyó | Director of Photography |
| Gabriel Gutiérrez | Sound Designer |
| Gabriel Gutiérrez | Supervising Sound Editor |
| Jan Thijs | Still Photographer |
| Jason Knight | Casting |
| Axel Kuschevatzky | Executive Producer |
| Christina Piovesan | Producer |
| Carolina Martínez Urbina | Editor |
| Catherine Viot | Makeup Department Head |
| John Simpson | Foley |
| Angelo Colavecchia | Camera Operator |
| Marc Orts | Sound Re-Recording Mixer |
| Peggy Kyriakidou | Hair Department Head |
| Davin Snip | Property Master |
| Ricardo Viñas | Dolby Consultant |
| Charlotte Hayward | Makeup Artist |
| Charlotte Hayward | Hairstylist |
| Helen Martí Donoghue | Visual Effects Producer |
| Tapio Liukkonen | Foley |
| Iñaki Sánchez-Elvira | Dialogue Editor |
| Digba Kurpjel | Foley |
| Alfredo Díaz | Sound Effects Editor |
| Winnifred Jong | Script Supervisor |
| Friday Myers | Set Decoration |
| Paulino Fernández Ibáñez | Digital Intermediate |
| Joyce McPherson | Art Department Coordinator |
| Mark Ahee | Special Effects Coordinator |
| Nestor Quintana | Visual Effects Producer |
| Guillem Huertas | First Assistant Camera |
| Bob Davidson | Gaffer |
| Emily McHugh | Assistant Costume Designer |
| Wanda Morales | Assistant Costume Designer |
| Jennifer Morden | Assistant Art Director |
| Liane Prevost | Assistant Art Director |
| Dave Bracken | Construction Coordinator |
| Lindsay Allikas | First Assistant Editor |
| Shari Spier | Graphic Designer |
