Dany Boon ( Dany Boon )

Valentin Duquesne, aka Valentin D.

Line Renaud ( Line Renaud )

Suzanne Duquesne, Valentin's mother

Laurence Arné ( Laurence Arné )

Constance Brandt, wife of Valentin

Valérie Bonneton ( Valérie Bonneton )

Louloute, Valentin's ex-fiancée

Guy Lecluyse ( Guy Lecluyse )

Gustave, Valentin's brother

François Berléand ( François Berléand )

Alexander, Constance's father

Pierre Richard ( Pierre Richard )

Joseph Duquesne, Valentine's father

Juliane Lepoureau ( Juliane Lepoureau )

Britney

Stéphane Pezerat ( Stéphane Pezerat )

Speech therapist

Aladin Reibel ( Aladin Reibel )

Professor Rosenberg

Thomas VDB ( Thomas VDB )

Paparazzi

Dan Cohen ( Dan Cohen )

Fernando Alvarez

Judi Beecher ( Judi Beecher )

Kate Fischer

Antonia de Rendinger ( Antonia de Rendinger )

Madame de Cléry

Ludovic Pinette ( Ludovic Pinette )

Alexander's lawyer

Ludmila Mikhailova ( Ludmila Mikhailova )

Olga

Slimane Majdi ( Slimane Majdi )

Receptionist

Clémence Beauxis ( Clémence Beauxis )

Receptionist

Silvie Laguna ( Silvie Laguna )

Baroness

Yan Tual ( Yan Tual )

Security agent

Claudia Tagbo ( Claudia Tagbo )

Minister of Culture

Nathalie Blanc ( Nathalie Blanc )

Journalist Palais de Tokyo

Pierre Buf ( Pierre Buf )

Cashier Station A1

Jean-Pascal Abribat ( Jean-Pascal Abribat )

Accounting

Gaetano Laury ( Gaetano Laury )

Cashier Station A1

Karina Orr ( Karina Orr )

Galerist

Nicolas White ( Nicolas White )

Vassili

Vincent Primault ( Vincent Primault )

Professor Legard

Jeanfi Janssens ( Jeanfi Janssens )

Tony

Hugues Boucher ( Hugues Boucher )

Staid guest

Françoise Thuries ( Françoise Thuries )

Lady

Véronique Gallet ( Véronique Gallet )

Lady

Jean-Noël Martin ( Jean-Noël Martin )

Guest

Patrick Brossard ( Patrick Brossard )

Staid guest

Julie Schotsmans ( Julie Schotsmans )

Employee

Kad Merad ( Kad Merad )

Kad Merad

Julia Vignali ( Julia Vignali )

Julia Vignali

Arthur ( Arthur )

Arthur

Pascal Obispo ( Pascal Obispo )

Pascal Obispo

Claire Chazal ( Claire Chazal )

Claire Chazal

Mathieu Cayrou ( Mathieu Cayrou )

Self

Anaelle Delouya ( Anaelle Delouya )

Sofitel employee

Claire Guillon ( Claire Guillon )

Oleg Eyben ( Oleg Eyben )

Guest (uncredited)

Sandy Lobry ( Sandy Lobry )

Employee (uncredited)