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