Mon meilleur ami

Dany Boon as Bruno Bouley Jacques Mathou as Mr. Bouley, Bruno's father Anne Le Ny as Selector of the casting of "Réponse à tout" Andrée Damant as Breton passenger on the train Isabelle Spade as Banker Élisabeth Bourgine as Julia Marc Faure as Friend at dinner Jean-Pierre Foucault as Self Étienne Draber as Speaker Éric Naggar as Near-sighted man at the conference Pierre Aussedat as Selector of the casting of "Réponse à tout" Alain Choquet as Boss of the TV channel Titouan Laporte as Léonardo (uncredited) Omar Bekhaled as Taxi driver Alain Rimoux as Merchant at dinner Henri Garcin as Étienne Delamotte, producer Jacques Spiesser as Letellier Jean-Claude Bolle-Reddat as Flushing friend Jeupeu as Savoyard at Drouot Marine Laporte as Britney (uncredited) Éric Frey as Friend at dinner Philippe du Janerand as Luc Lebinet, school friend Marie Mergey as Widow at the funeral Zoon Besse as Taxi driver Serge Faliu as Voice of "SOS Amitiés" (voice) Audrey Marnay as Marianne, Catherine's companion Julie Durand as Louise Coste, François's daughter Marie Pillet as Mrs. Bouley, Bruno's mother Nicky Marbot as Savoyard in the apartment Jean-Luc Mimault as Priest Yvon Martin as Savoyard in the gallery Brigitte Defrance as Cloakroom lady Fabienne Chaudat as Madame Lebinet Julie Gayet as Catherine, François's partner Sylvie Herbert as Taxi driver Cyril Couton as Bookseller's colleague Caroline Frank as Delamotte's hostess Patrice Bornand as Flushing friend Christian Gazio as Mover Rosine Young as Bookseller Jean-François Kopf as Auctioneer Daniel Auteuil as François Coste

Hubert Engammare First Assistant Director Stéphane Bidault Visual Effects Supervisor Ivan Maussion Production Design Jérôme Tonnerre Screenplay Olivier Delbosc Producer Laurent Bozzi Key Hair Stylist Patrice Leconte Director, Screenplay Marc Missonnier Producer Gérard Moulévrier Casting Olivier Dazat Idea Christine de Jekel Production Manager Annie Périer Costume Design Paul Lainé Sound Jean-Marie Dreujou Director of Photography Xavier Demerliac Original Music Composer Marie Leconte Script Supervisor