• 
  Denis Villeneuve

  regizor

• 
  Jacques Davidts

  scenarist

• 
  Maxim Gaudette

  Asasinul
• 
  Sebastien Huberdeau

  Jean-François
• 
  Evelyne Brochu

  Stéphanie
• 
  Karine Vanasse

  producer
• 
  Johanne-Marie Tremblay
• 
  Michael Mast

  Student speriat

• 
  Marie-Évelyne Baribeau

  Student
• 
  Sophie Desmarais

  Female Student (3rd floor corridor)
• 
  Jonathan Dubsky

  Frightened Student
• 
  Natalie Hamel-Roy

  Jean-François' Mother (voice) (as Nathalie Hamel-Roy)
• 
  Manon Lapointe

  Killer's Mother
• 
  Martin Watier

  Jean-François (voice)
• 
  Mathieu Ledoux

  Injured Student

• 
  Pierre Leblanc

  Mr. Martineau
• 
  Adam Kosh

  Killer's Roommate
• 
  Eve Duranceau

  Student with the Ear Injury
• 
  Francesca Barcenas

  Injured Student at Copier
• 
  Larissa Corriveau

  Killer's Neighboor
• 
  Pierre-Yves Cardinal

  Éric

• 
  Maxime Rémillard

  producător
• 
  André Rouleau

  producător
• 
  Don Carmody

  producător
• 
  Pierre Gill

  imagine
• 
  Richard Comeau

  montaj