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