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