Brie Larson
Ma
Acting
Jacob Tremblay
Jack
Acting
Joan Allen
Nancy
Acting
Sean Bridgers
Old Nick
Acting
Tom McCamus
Leo
Acting
William H. Macy
Robert
Acting
Cas Anvar
Dr. Mittal
Acting
Amanda Brugel
Officer Parker
Acting
Wendy Crewson
Talk Show Hostess
Acting
Joe Pingue
Officer Grabowski
Acting
Sandy McMaster
Veteran
Acting
Matt Gordon
Doug
Acting
Zarrin Darnell-Martin
Attending Doctor
Acting
Jee-Yun Lee
News Anchor
Acting
Randal Edwards
Lawyer
Acting
Justin Mader
FBI Agent
Acting
Ola Sturik
Reporter #1
Acting
Rodrigo Fernandez-Stoll
Reporter #2
Acting
Rory O'Shea
Reporter #3
Acting
Kate Drummond
Neighbour
Acting
Jack Fulton
Jack's Friend
Acting
Chantelle Chung
Clerk (uncredited)
Acting
Brad Wietersen
TV Crewman (uncredited)
Acting
Graeme Potts
TV Cameraman (uncredited)
Camera
Katelyn Wells
Teenage Girl (uncredited)
Acting
Celeste Bruno
Heather Noelle (uncredited)
Acting
Megan Park
Laura (uncredited)
Acting