Polytechnique

Maxim Gaudette

The Assassin

Sébastien Huberdeau

Jean-François

Karine Vanasse

Valérie

Evelyne Brochu

Stéphanie

Martin Watier

Jean-François (voice)

Johanne-Marie Tremblay

Jean-François' Mother

Natalie Hamel-Roy

Jean-François' Mother (voice)

Pierre-Yves Cardinal

Éric

Pierre Leblanc

Mr. Martineau

Francesca Barcenas

Injured Student at Copier

Ève Duranceau

Student with the Ear Injury

Mathieu Ledoux

Injured Student

Adam Kosh

Killer's Roommate

Larissa Corriveau

Killer's Neighboor

Manon Lapointe

Killer's Mother

Kim Lavack-Paquin

Student at the Library

Mireille Brullemans

Admission Office's Secretary

Pier-Olivier Paquet

Student at the Admission Office

Louise Proulx

Secretary in Waiting Room

Lily Thibeault

Female Student at the Copy Room

Robert Reynaert

Teacher in First Classroom

Stéphane Julien

Student in the Escalator

Pierre-Xavier Martel

Security Guard

Marc-André Brisebois

Student in the Stairs

François-Xavier Dufour

Student in 3rd Floor Corridor

Sophie Desmarais

Female Student - 3rd Floor Corridor

Antoine Touchette

Male Student in Common Room

Emmanuelle Girard

Student Behind Speakers

Anne Trudel

Student Behind Speakers

Nathalie Girard

Injured Student

Eve Gadouas

Female Student in First Classroom

Marie-Évelyne Baribeau

Female Student in First Classroom

Valérie Cadieux

Female Student in First Classroom

Valérie Charland

Female Student in First Classroom

Cathy Labrecque

Female Student in First Classroom

Cynthia Wu-Maheux

Female Student in First Classroom

Josée Lacombe

Female Student in First Classroom

Alexis Lefebvre

Male Student in First Classroom

Julien Maranda

Male Student in First Classroom

Alexandre St-Martin

Male Student in First Classroom

Jonathan Dubsky

Distracted Student

Marc Francoeur

Valérie's Father

Dawn Ford

Valérie's Mother

Chantale Bilodeau

Physiotherapist

Eugénie Beaudry

Female Student at Blackboard

Denis Lehoux-Faucher

Engineer #1

Marc Gourdeau

Engineer #2

Nir Assayag

Male Student in First Classroom

Denis Villeneuve

Director

Denis Villeneuve

Writer

Jacques Davidts

Writer

Eric Leca

Writer

Don Carmody

Producer

Julien Remillard

Executive Producer

André Rouleau

Producer

Maxime Rémillard

Producer

Karine Vanasse

Producer

Pierre Gill

Director of Photography

Claude Beaugrand

Supervising Sound Editor

Pierre Blain

Sound Recordist