Christian Clavier as Frédéric Bouvier-Sauvage

Didier Bourdon as Gérard Martin

Sylvie Testud as Nicole Martin

Marianne Denicourt as Catherine Bouvier-Sauvage

Julien Pestel as François Martin

Chloé Coulloud as Alice Bouvier-Sauvage

Patrick Préjean as Gérard Martin's father

Sophie Froissard as Maria, housekeeper

Johann Dionnet as Mr. Ribeiro, plumber

Loïc Rojouan as Concession Man

Charline Paul as Hairdresser

Philippe Vieux as Gendarme

Damien Bellard as Embassy Counselor

Laurent Joly as Genealogist

Laura Müller as Laboratory technician

Sébastien Boissavit as Mercedes salesman

Sophie Olsen as A cousin (uncredited)