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

Claire Guillon

Oleg Eyben

Guest (uncredited)

Sandy Lobry

Employee (uncredited)

Mathilde Snodgrass

Casting

Suzel Jouguet

Key Makeup Artist

Stéphanie Bertrand

Art Direction

Fathi El Aihar

Set Decoration

Lucien Balibar

Sound

Dany Boon

Writer

Dany Boon

Director

Denis Rouden

Director of Photography

Maxime Desprez

Original Music Composer

Elodie Codaccioni

Editor

Michaël Tordjman

Original Music Composer

Sarah Kaminsky

Writer

Laetitia Bouix

Costume Design

Hervé Gallet

Production Design

Dany Boon

Original Story

Dany Boon

Producer

Johnny Hallyday

In Memory Of