Daniel Vannet as Willy / Michel Prevost

Noémie Lvovsky as Catherine

Romain Léger as Willy II

Robert Follet as Père de Willy

Geneviève Plet as Mère de Willy

Eric Jacquet as José

Kiki as Responsable du personnel

Lea Viller as Fille de Catherine

Alexandre Jacques as Brice

Catherine Lefrançois as Sandrine