Daniel Auteuil as François Coste

Dany Boon as Bruno Bouley

Julie Gayet as Catherine, François's partner

Julie Durand as Louise Coste, François's daughter

Henri Garcin as Étienne Delamotte, producer

Jacques Mathou as Mr. Bouley, Bruno's father

Marie Pillet as Mrs. Bouley, Bruno's mother

Élisabeth Bourgine as Julia

Jacques Spiesser as Letellier

Audrey Marnay as Marianne, Catherine's companion

Alain Rimoux as Merchant at dinner

Éric Frey as Friend at dinner

Fabienne Chaudat as Madame Lebinet

Jean-François Kopf as Auctioneer

Marc Faure as Friend at dinner

Philippe du Janerand as Luc Lebinet, school friend

Jean-Pierre Foucault as Self

Étienne Draber as Speaker

Éric Naggar as Near-sighted man at the conference

Anne Le Ny as Selector of the casting of "Réponse à tout"

Pierre Aussedat as Selector of the casting of "Réponse à tout"

Andrée Damant as Breton passenger on the train

Isabelle Spade as Banker

Alain Choquet as Boss of the TV channel

Jean-Luc Mimault as Priest

Marie Mergey as Widow at the funeral

Sylvie Herbert as Taxi driver

Omar Bekhaled as Taxi driver

Zoon Besse as Taxi driver

Jean-Claude Bolle-Reddat as Flushing friend

Patrice Bornand as Flushing friend

Christian Gazio as Mover

Rosine Young as Bookseller

Cyril Couton as Bookseller's colleague

Nicky Marbot as Savoyard in the apartment

Yvon Martin as Savoyard in the gallery

Jeupeu as Savoyard at Drouot

Caroline Frank as Delamotte's hostess

Eric Grandin as Maître d'hôtel

Brigitte Defrance as Cloakroom lady

Serge Faliu as Voice of "SOS Amitiés" (voice)

Marine Laporte as Britney (uncredited)

Titouan Laporte as Léonardo (uncredited)