| Person | Type | Job | Role(s) |
|---|---|---|---|
 Brie Larson | Crew | Sound | Songs |
 Caoimhe Doyle | Crew | Sound | Foley Artist |
Dino Laurenza | Crew | Camera | Steadicam Operator, "A" Camera Operator |
 Ed Guiney | Crew | Production | Producer |
 Ethan Tobman | Crew | Art | Production Design |
 Fiona Weir | Crew | Production | Casting |
George Kraychyk | Crew | Camera | Still Photographer |
Hartley Gorenstein | Crew | Production | Production Manager, Line Producer |
 Jean Frenette | Crew | Crew | Stunt Coordinator |
Lea Carlson | Crew | Costume & Make-Up | Costume Design |
 Lenny Abrahamson | Crew | Directing | Director |
Lisa Shamata | Crew | Crew | Unit Publicist |
Mary Kirkland | Crew | Art | Set Decoration |
Robin D. Cook | Crew | Production | Casting |
 Stephen Rennicks | Crew | Sound | Original Music Composer |
 Tessa Ross | Crew | Production | Executive Producer |
Tricia Perrott | Crew | Crew | Post Production Supervisor |
Vladislav Fedorov | Crew | Art | Set Designer |
 Andrew Lowe | Crew | Production | Executive Producer |
Ed Bruce | Crew | Visual Effects | Visual Effects Supervisor |
 Emma Donoghue | Crew | Writing | Novel, Screenplay, Executive Producer |
Jeff Arkuss | Crew | Production | Executive Producer |
 Ken Galvin | Crew | Sound | Sound Re-Recording Mixer |
 Nathan Nugent | Crew | Editing | Editor, Second Unit Director |
Stacey Butterworth | Crew | Costume & Make-Up | Wigmaker |
Adam Davidson | Crew | Sound | ADR Recordist |
Carolyn Arbuckle | Crew | Directing | Script Supervisor |
Chantelle Tabrizi | Crew | Production | Supervising Producer |
 Jean-François Lachapelle | Crew | Crew | Stunt Coordinator |
Michelle Lannon | Crew | Art | Art Direction |
Steve Fanagan | Crew | Sound | Sound Designer, Sound Re-Recording Mixer |
David Gross | Crew | Production | Producer |
Jesse Shapira | Crew | Production | Executive Producer |
Keith Potter | Crew | Production | Executive Producer |
Rob Huckle | Crew | Sound | Dolby Consultant |
Rose Garnett | Crew | Production | Executive Producer |
 Danny Cohen | Crew | Camera | Director of Photography |
David Kosse | Crew | Production | Executive Producer |
Ofer Geva | Crew | Sound | Boom Operator |
Stephan Maia | Crew | Camera | Second Assistant "B" Camera |
Niall Brady | Crew | Sound | Supervising Sound Editor |
Jason McQuarrie | Crew | Art | Assistant Art Director |
Adam Tupper | Crew | Camera | Second Assistant "A" Camera |
Stephanie Chalmers | Crew | Art | Set Decoration Buyer |
Jean McGrath | Crew | Sound | Foley Mixer |
Paul Howden | Crew | Camera | Key Grip |
Kenneth Coyne | Crew | Visual Effects | Visual Effects Producer |
Sid Armour | Crew | Costume & Make-Up | Makeup Artist |
Jonathan Pencharz | Crew | Production | Production Coordinator |
Reid A. Dunlop | Crew | Directing | First Assistant Director |
Jane Rogers | Crew | Production | Extras Casting |
Dean Stinchcombe | Crew | Camera | First Assistant "A" Camera |
George Kerr | Crew | Lighting | Gaffer |
Devin Doucette | Crew | Sound | ADR Recordist |
Jasper Vrakking | Crew | Camera | Digital Imaging Technician |
Emer O'Shea | Crew | Production | Production Executive |
Gearoid Grant | Crew | Sound | Conductor |
Jenn Gould | Crew | Costume & Make-Up | Key Hairdresser |
Jim Snell | Crew | Crew | Transportation Captain |
Andrew G. Munro | Crew | Production | Payroll Accountant |
Michelle Ramez | Crew | Production | First Assistant Accountant |
 Amanda Brugel | Cast | Actress | Officer Parker |
Brad Wietersen | Cast | Actor | TV Crewman (uncredited) |
Brie Larson | Cast | Actress | Ma |
 Cas Anvar | Cast | Actor | Dr. Mittal |
 Joan Allen | Cast | Actress | Nancy |
 Joe Pingue | Cast | Actor | Officer Grabowski |
 Matt Gordon | Cast | Actor | Doug |
Ola Sturik | Cast | Actress | Reporter #1 |
Rory O'Shea | Cast | Actor | Reporter #3 |
 Sean Bridgers | Cast | Actor | Old Nick |
 Tom McCamus | Cast | Actor | Leo |
 Wendy Crewson | Cast | Actress | Talk Show Hostess |
 William H. Macy | Cast | Actor | Robert |
 Jee-Yun Lee | Cast | Actress | News Anchor |
 Justin Mader | Cast | Actor | FBI Agent |
 Rodrigo Fernandez-Stoll | Cast | Actor | Reporter #2 |
 Chantelle Chung | Cast | Actress | Clerk (uncredited) |
 Graeme Potts | Cast | TV Cameraman (uncredited) | |
 Randal Edwards | Cast | Actor | Lawyer |
Sandy McMaster | Cast | Actor | Veteran |
 Kate Drummond | Cast | Actress | Neighbour |
 Jack Fulton | Cast | Actor | Jack's Friend |
 Jacob Tremblay | Cast | Actor | Jack |
 Katelyn Wells | Cast | Actress | Teenage Girl (uncredited) |
 Zarrin Darnell-Martin | Cast | Actress | Attending Doctor |
 Celeste Bruno | Cast | Actress | Heather Noelle (uncredited) |
| Person | Type | Job | Role(s) |
