Dany Boon

Valentin Duquesne, aka Valentin D.

Line Renaud

Suzanne Duquesne, Valentin's mother

Laurence Arné

Constance Brandt, wife of Valentin

Valérie Bonneton

Louloute, Valentin's ex-fiancée

Guy Lecluyse

Gustave, Valentin's brother

François Berléand

Alexander, Constance's father

Pierre Richard

Joseph Duquesne, Valentine's father

Juliane Lepoureau

Britney

Stéphane Pezerat

Speech therapist

Aladin Reibel

Professor Rosenberg

Thomas VDB

Paparazzi

Dan Cohen

Fernando Alvarez

Judi Beecher

Kate Fischer

Antonia de Rendinger

Madame de Cléry

Ludovic Pinette

Alexander's lawyer