- Shailene Woodley
- Eleanor
- Ben Mendelsohn
- Lammark
- Jovan Adepo
- Jack McKenzie
- Ralph Ineson
- Dean
- Richard Zeman
- Frank Graber
- Dusan Dukic
- Krupp
- Jason Cavalier
- Marquand
- Nick Walker
- Jesse Capleton
- Darcy Laurie
- Rodney Lang
- Mark Camacho
- Chief Jackson
- Frank Schorpion
- Nathan Bowen
- Marcello Bezina
- SWAT Commander
- Dawn Lambing
- Irene Michkin
- Martyne Musau
- Samantha
- Adam LeBlanc
- Diner Manager
- Daniel Brochu
- Interfering Man
- Sean Tucker
- Officer Coleman
- Maurizio Terrazzano
- Police Lieutenant
- Arthur Holden
- Forensics Chief
- Akotene Chanoine
- Abraham Haynes
- Patrick Abellard
- Landfill Supervisor
- Michael Cram
- Gavin
- Chip Chuipka
- Jim Lassky
- Heidi Foss
- Ramona
- Michael Dozier
- Russ Adovich
- Mark Antony Krupa
- Dimitri Bovrov
- Rosemary Dunsmore
- Mrs. Possey
- Lesley Pahl
- Katherine Radford
- Dolce Sebareme
- Saleswoman #1
- Patrick Labbé
- Hicks
- Laura Mitchell
- Drunken Woman
- Maxime Afshar
- Hasna Rahmani
- Karine Dion
- Mrs. Miller
- Ted Pluviose
- Mall Head of Security
- Benz Antoine
- Ballistic Examiner
- Mark Trafford
- Lindenblatt Jr.
- Edith Dandenault
- Paramedic #1
- Lilou Roy-Lanouette
- Haley
- Nir Guzinski
- Line Supervisor SH3
- Daniel Elston
- Brad
- Sebree Laurie
- FBI Courier
- Matt Langton
- Police Officer at the Morgue
- Leyda Aleyli
- Rodney Lang's Wife
- Christian Jadah
- Hank
- Mark Day
- Titch
- Ryan Stick
- Chester
- Alex Gravenstein
- Sneaky Reporter
- Bobby Brown
- Fire Chief
- Jacqueline Smith Barker
- Old Lady
- Kelly Lee
- Saleswoman #2
- Paul Ash
- Heavyset Customer
- Luc Morissette
- Old Timer
- Teneisha Collins
- Reporter at Press Pack
- Joan Hart
- Sarah
- Lincoln Ward
- Ward Manager
- Christian Paul
- Mall Cleaner
- Alexandra Laferrière
- African American Police Woman
- Erniel Baez
- Surveillance Employee
- Yvan Labranche
- Sketch Artist
- Felix Gravel
- Lang's Baby
- Paul Batah
- Hasnah Rahmani's Father
- Anne-Marie Saheb
- Hasnah Rahmani's Mother
- Sheshanti Kurera
- Hasnah Rahmani's Sister
- Nabil Khatib
- Buff Shopper
- Christine Rodriguez
- Woman #1
- Maissa Houri
- Woman #2
- Kevin Woodhouse
- SWAT Commander
- Alexander Drozhzhin
- Employee Slaughter House #1
- Lucie Chalut
- Employee Slaughter House #2
- Michele Leclerc
- Employee Slaughter House #3
- Romuald Crèvecoeur
- Employee Slaughter House #4
- Martin Dionne
- Mall Employee
- Jérémie Earp
- State Trooper
- Mel Fair
- Talk Show Caller
- Robert Gant
- Jimmy Kittridge
- Christopher James Giannini
- Reporter #1
- Marcella Lentz-Pope
- Lamenting Mother
- Jonathan Leroux
- Reporter #2
- Yohann Martel
- Driver
