Polytechnique is a 2009 Canadian tragedy film directed by Denis Villeneuve and written by Villeneuve and Jacques Davidts. Starring Maxim Gaudette, Sebastien Huberdeau, and Karine Vanasse, the film is based on the 1989 École Polytechnique massacre and re-enacts the events of the incident through the eyes of two students who witness a gunman (Gaudette) murder fourteen young women.