Valentin Duquesne, aka Valentin D.
Suzanne Duquesne, Valentin's mother
Constance Brandt, wife of Valentin
Louloute, Valentin's ex-fiancée
Gustave, Valentin's brother
Alexander, Constance's father
Joseph Duquesne, Valentine's father
Britney
Speech therapist
Professor Rosenberg
Paparazzi
Fernando Alvarez
Kate Fischer
Madame de Cléry
Alexander's lawyer
Olga
Receptionist
Baroness
Security agent
Minister of Culture
Journalist Palais de Tokyo
Cashier Station A1
Accounting
Galerist
Vassili
Professor Legard
Tony
Staid guest
Lady
Guest
Employee
Kad Merad
Julia Vignali
Arthur
Pascal Obispo
Claire Chazal
Self
Sofitel employee
Guest (uncredited)
Employee (uncredited)