Claude Legault as Gilles Séguin

Robert Naylor as Tommy Leblanc

Eugénie Beaudry as Karine (éducatrice)

Blaise Tardif as Bédard (éducateur)

Martin Dubreuil as Luc Lebeau

Félixe Ross as Sonia Leblanc

Norman Helms as Josse (directeur du centre)

Isaac Bellemare as Tommy (6 ans)

Julie Saint-Pierre as Julie (professeure)

Mélanie Desjardins-Chavaudier as Evelyne Boileau (travailleuse sociale)

Maxime Desjardins-Tremblay as Kevin

Virginie Morin as Mélanie (éducatrice)

Monique Gosselin as Dr Michèle Bergeron

Richard Fréchette as Normand (pédophile)

Michel Bérubé as Animateur MIRA

Maxime Desjardins-Tremblay as Kevin (ado)

Jordan Jacques as Simon Desrochers (ado)

Victor Labelle as Roger Gariépy (ado)

Emanuel Grenier-Benoït as Jean-Seb Boulianne (ado)

Jean-Luc Terriault as Sébastien Desjardins (ado)

Jérémy St-Onge as François Bérubé (ado)

Olivier Fontaine as Olivier (ado)

Mireille Brullemans as Denise (cuisinière)

Albert Kwan as M. Li (commis du dépanneur)

Pascale Létourneau as Infirmière

Patrice Talbot as Policier

Rodger Edan Jakubowski as Petit frère de Kevin

Ian McDermott as Maître-chien

Maxime Savaria as Agent du Centre

Kevin Kelsall as Agent du Centre

Jean-François Lachapelle as Agent du Centre

Marie-Eve Soulard La Ferrière as Amie de Luc et Sonia