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
Ludmila Mikhailova
Olga
Slimane Majdi
Receptionist
Clémence Beauxis
Receptionist
Silvie Laguna
Baroness
Yan Tual
Security agent
Claudia Tagbo
Minister of Culture
Nathalie Blanc
Journalist Palais de Tokyo
Pierre Buf
Cashier Station A1
Jean-Pascal Abribat
Accounting
Gaetano Laury
Cashier Station A1
Karina Orr
Galerist
Nicolas White
Vassili
Vincent Primault
Professor Legard
Jeanfi Janssens
Tony
Hugues Boucher
Staid guest
Françoise Thuries
Lady
Véronique Gallet
Lady
Jean-Noël Martin
Guest
Patrick Brossard
Staid guest
Julie Schotsmans
Employee
Kad Merad
Kad Merad
Julia Vignali
Julia Vignali
Arthur
Arthur
Pascal Obispo
Pascal Obispo
Claire Chazal
Claire Chazal
Mathieu Cayrou
Self
Anaelle Delouya
Sofitel employee
Oleg Eyben
Guest (uncredited)
Sandy Lobry
Employee (uncredited)