Wendy Crewson Talk Show Hostess
Megan Park Laura (uncredited)
William H. Macy Robert
Brie Larson Ma, Songs
Jacob Tremblay Jack
Joan Allen Nancy
Stacey Butterworth Wigmaker
Rose Garnett Executive Producer
Sean Bridgers Old Nick
Jack Fulton Jack's Friend
Lea Carlson Costume Design
Katelyn Wells Teenage Girl (uncredited)
Rodrigo Fernandez-Stoll Reporter #2
Emer O'Shea Production Executive
Zarrin Darnell-Martin Attending Doctor
Cas Anvar Dr. Mittal
Christopher Ross Additional Director of Photography
Andrew Lowe Executive Producer
Amanda Brugel Officer Parker
Mary Kirkland Set Decoration
Jee-Yun Lee News Anchor
Danny Cohen Director of Photography
David Gross Producer
Jean Frenette Stunt Coordinator
Steve Fanagan Sound Designer, Sound Re-Recording Mixer
Tessa Ross Executive Producer
Joe Pingue Officer Grabowski
Jesse Shapira Executive Producer
Kate Drummond Neighbour
Chantelle Chung Clerk (uncredited)
Stephen Rennicks Original Music Composer
Robin D. Cook Casting
Jeff Arkuss Executive Producer
Tom McCamus Leo
Dean Stinchcombe First Assistant "A" Camera
David Kosse Executive Producer
Matt Gordon Doug
Jason McQuarrie Assistant Art Director
Lenny Abrahamson Director
Jane Rogers Extras Casting
Rory O'Shea Reporter #3
Ed Guiney Producer
Justin Mader FBI Agent
Fiona Weir Casting
Lisa Shamata Unit Publicist
Hartley Gorenstein Production Manager, Line Producer
Ethan Tobman Production Design
Ola Sturik Reporter #1
Randal Edwards Lawyer
Stephan Maia Second Assistant "B" Camera
Ed Bruce Visual Effects Supervisor
Justin Gajewski Second Unit First Assistant Director
Jenn Gould Key Hairdresser
George Kraychyk Still Photographer
Devin Doucette ADR Recordist
Caoimhe Doyle Foley Artist
Nathan Nugent Editor, Second Unit Director
Emma Donoghue Novel, Screenplay, Executive Producer
Jasper Vrakking Digital Imaging Technician
Rob Huckle Dolby Consultant
Michelle Ramez First Assistant Accountant
Kenneth Coyne Visual Effects Producer
Celeste Bruno Heather Noelle (uncredited)
Jean McGrath Foley Mixer
Tricia Perrott Post Production Supervisor
Michelle Lannon Art Direction
Vladislav Fedorov Set Designer
Carolyn Arbuckle Script Supervisor
Jonathan Pencharz Production Coordinator
Adam Tupper Second Assistant "A" Camera
Jean-François Lachapelle Stunt Coordinator
Andrew G. Munro Payroll Accountant