Ethan Hawke
Bruce Kenner
Emma Watson
Angela Gray
David Thewlis
Professor Kenneth Raines
Lothaire Bluteau
Reverend Beaumont
Dale Dickey
Rose Gray
David Dencik
John Gray
Devon Bostick
Roy Gray
Aaron Ashmore
George Nesbitt
Peter MacNeill
Police Chief Cleveland
Adam Butcher
Brody
Jacob Neayem
Charlie Klemme
Aaron Abrams
Farrell
Catherine Disher
Kate
Danielle Bourgon
Secretary at Police Station
Julian Richings
Tom
Kristian Bruun
Andrew
Luke Marty
Officer
Wendy Lyon
Norma
Kaitlin Kocsis
Teenage Girl
Samantha Tenus
Teenage Girl
J.C. Kenny
TV News Anchor
Maura Grierson
TV Reporter
Patrick Garrow
TV Presenter
Janet Porter
S. Cooper
Pamela MacDonald
Woman with Grocery Cart
Lenno Britos
Driver
Steve Whistance-Smith
Passenger (as Steven John Whistance Smith)
Deborah Grover
Old Woman
Arlene Frattini
Naked Old Woman
Emily Haughton
Ms. Gray (Still)
Jessica Field
Angela at 10 years (Still)
Adam Gullusci
Roy at 14 years (Still)
Adrian Griffin
Doctor
Kirk Gordon
Prison Guard
Heidi Malley
Victim
Kate Stephey
Young Satanist Woman
Audrey Potter
Baby
Olivia Potter
Baby
Lauren Jenkins
Baby
Charley Jenkins
Baby
Nick Longo
Satanist
Lisa Horvath
Satanist
Goran Stjepanovic
Satanist
Carrie Eklund
Satanist
Heather Lapine
Satanist
James Preston Rogers
Satanist
Stephen Hughes
TV Voice Over (voice)
Vanessa Spencer
Satanist (uncredited)
Noah Segura
Reverend Simmons (uncredited)
Attila Sebesy
Cult Member (uncredited)
Mackenzie Kerfoot
Praying Girl (uncredited)
Alli McLaren
Girl (uncredited)