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