Brie Larson

Ma

Jacob Tremblay

Jack

Joan Allen

Nancy

Sean Bridgers

Old Nick

Tom McCamus

Leo

William H. Macy

Robert

Cas Anvar

Dr. Mittal

Amanda Brugel

Officer Parker

Wendy Crewson

Talk Show Hostess

Joe Pingue

Officer Grabowski

Sandy McMaster

Veteran

Matt Gordon

Doug

Zarrin Darnell-Martin

Attending Doctor

Jee-Yun Lee

News Anchor

Randal Edwards

Lawyer

Justin Mader

FBI Agent

Ola Sturik

Reporter #1

Rodrigo Fernandez-Stoll

Reporter #2

Rory O'Shea

Reporter #3

Kate Drummond

Neighbour

Jack Fulton

Jack's Friend

Chantelle Chung

Clerk (uncredited)

Brad Wietersen

TV Crewman (uncredited)

Graeme Potts

TV Cameraman (uncredited)

Katelyn Wells

Teenage Girl (uncredited)

Celeste Bruno

Heather Noelle (uncredited)

Megan Park

Laura (uncredited)

Dean Stinchcombe

First Assistant "A" Camera

Stephan Maia

Second Assistant "B" Camera

Jasper Vrakking

Digital Imaging Technician

Adam Tupper

Second Assistant "A" Camera

George Kerr

Gaffer

Lisa Shamata

Unit Publicist

Devin Doucette

ADR Recordist

Andrew G. Munro

Payroll Accountant

Dino Laurenza

"A" Camera Operator

Niall Brady

Supervising Sound Editor

Nathan Nugent

Second Unit Director

Ofer Geva

Boom Operator

Sid Armour

Makeup Artist

Hartley Gorenstein

Line Producer

Michelle Ramez

First Assistant Accountant

Dino Laurenza

Steadicam Operator

Vladislav Fedorov

Set Designer

Reid A. Dunlop

First Assistant Director

Carolyn Arbuckle

Script Supervisor

Jonathan Pencharz

Production Coordinator

Jim Snell

Transportation Captain

Tricia Perrott

Post Production Supervisor

Steve Fanagan

Sound Designer

Jane Rogers

Extras Casting

George Kraychyk

Still Photographer

Steve Fanagan

Sound Re-Recording Mixer

Gearoid Grant

Conductor

Kenneth Coyne

Visual Effects Producer

Caoimhe Doyle

Foley Artist

Jean McGrath

Foley Mixer

Rob Huckle

Dolby Consultant

Stacey Butterworth

Wigmaker

Adam Davidson

ADR Recordist

Ken Galvin

Sound Re-Recording Mixer

Ed Bruce

Visual Effects Supervisor

Jenn Gould

Key Hairdresser

Paul Howden

Key Grip

Lenny Abrahamson

Director

Ed Guiney

Producer

Emer O'Shea

Production Executive

Keith Potter

Executive Producer

Chantelle Tabrizi

Supervising Producer

Jason McQuarrie

Assistant Art Director

Stephanie Chalmers

Set Decoration Buyer

Ethan Tobman

Production Design

Emma Donoghue

Novel

Emma Donoghue

Screenplay

Michelle Lannon

Art Direction

Andrew Lowe

Executive Producer

Mary Kirkland

Set Decoration

Stephen Rennicks

Original Music Composer

Fiona Weir

Casting

Rose Garnett

Executive Producer

David Gross

Producer

Nathan Nugent

Editor

Lea Carlson

Costume Design

David Kosse

Executive Producer

Danny Cohen

Director of Photography

Jeff Arkuss

Executive Producer

Emma Donoghue

Executive Producer

Jesse Shapira

Executive Producer

Robin D. Cook

Casting

Tessa Ross

Executive Producer

Hartley Gorenstein

Production Manager

Jean-François Lachapelle

Stunt Coordinator

Jean Frenette

Stunt Coordinator

Brie Larson

Songs

Justin Gajewski

Second Unit First Assistant Director

Christopher Ross

Additional Director of Photography