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