Pierre Richard as Jean-Arthur

Maurice Risch as Gros Nono

Jacques Villeret as Petit Nono

Caroline Cartier as Julie

Dominique Constanza as Josette

Lise Guicheron as Lisette Benoit

Tania Lopert as Yolande

Bernadette Palas as La fiancée de gros Nono

Jean-François Balmer as Big Boss

Cléa de Olivierra as La chanteuse

Danielle Minazzoli as Christine

André Clétienne as Homme-grenouille

Pierre Barouh as Voyageur mécontent

Patrick Chesnais as Gérard

Alain Sarde as Le chef d'orchestre

Naná Vasconcelos as Musicien Brésilien

Bernard Dumaine as Directeur du personnel

Maryse Viscard as L'ami de Lisette

Maranha Fernandez as Petite amie du grand patron

Arlette Emmery as Une secrétaire

Sonia Vareuil as La première cliente

Marcel Lainé as Le menuisier