Yvan Attal as Mathieu

Maïwenn as Delphine

Guillaume Canet as Vincent

Marie-Josée Croze as Juliette

Alma Jodorowsky as Elsa

Victor Belmondo as Alex

Michaël Erpelding as L'homme hagard

Loan Visioli as Victor Demarsan 10 ans

Maxime Chaelis as Victor Demarsan 20 ans

Delphine Chatelin as L'assistante de Mathieu

Stéphane Pezerat as Le maître de stage

Flora Djien as L'employée de banque

Audrey Baldassare as La collègue musée (as Audrey Baldassaré)

Arnaud Boisseau as Le gardien musée

Oscar Catarino as Le vigile musée

Javed Khan as L'homme d'affaire indien

Jade Phan-Gia as Fanny

Olivier Fazio as Le gendarme

Laure Rivaud-Pearce as La concierge d'Elsa

Patricia Roberts as L'agent pénitentiaire

Patricia Robert as L'agent pénitentiaire

Bastien Leblanc as Doublure