 | Xavier Dolan als Hubert Minel |
 | Anne Dorval als Chantale Lemming |
 | François Arnaud als Antonin Rimbaud |
 | Suzanne Clément als Julie Cloutier |
 | Patricia Tulasne als Hélène Rimbaud |
 | Niels Schneider als Eric |
 | Monique Spaziani als Denise |
 | Pierre Chagnon als Richard Minel |
 | Justin Caron als Young Hubert |
 | Benoît Gouin als Boarding School Principal |
 | Johanne-Marie Tremblay als Boarding School Teacher |
 | Hugolin Chevrette als Student Fighter #1 |
 | Francis Ducharme als Student Fighter #2 |
 | Pascale Audrey als Art Professor |
 | Émile Mailhiot als Classroom Student #1 |
 | Laurent-Christophe De Ruelle als Classroom Student #2 |
 | Manuel Tadros als Apartment Owner |
 | Marianne Verville als Girl on Bus (uncredited) |
| Élise Bertrand als Woman on radio (voice) (uncredited) |
| Xavier Dolan | Director |
| Xavier Dolan | Producer |
| Anette Belley | Set Decoration |
| Hélène Girard | Editor |
| Nicholas Savard-L'Herbier | Original Music Composer |
| Stéphanie Weber Biron | Director of Photography |
| Carole Mondello | Production Manager |
| Nicole Pelletier | Costume Design |
| Karl Archambault | Unit Production Manager |
| Xavier Dolan | Screenplay |
| Sylvain Brassard | Sound Designer |
| Carole Mondello | Producer |
| Daniel Morin | Producer |
| Martin Lipmann | Visual Effects Supervisor |
| Xavier Dolan | Costume Design |
| Sylvain Brassard | Sound Editor |
| France Boudreau | First Assistant Director |
| Nicolas Canniccioni | Additional Director of Photography |
| Clara Palardy | Still Photographer |
| Julien Hébert | Still Photographer |
| Nathalie Paquette | Script Supervisor |
| Anette Belley | Property Master |
| Marie-Josée Galibert | Key Makeup Artist |
| Marie-Josée Galibert | Key Hair Stylist |
| Geneviève Mondoux | Makeup Artist |
| Geneviève Mondoux | Hairstylist |
| Jean-Sébastien Roy | Sound Recordist |
| Jean-François Roy | Sound Recordist |
| Daniel Provencher | Sound Recordist |
| Francine Lebrun | Production Coordinator |
| Alexis Farand | Foley Artist |
| Benoît Dame | Dialogue Editor |
| Jean-Pierre Bissonnette | Sound Re-Recording Mixer |
