"Jean-Louis, a garage worker and womanizer, asks his friend and boss to reverse roles for a while, to make his brother, who has just arrived from South America, believe he's not only the boss, but also his wife's husband."
Roger Pierre
as Jean-Louis Brunel
Jean-Marc Thibault
as Lucien Barjon
Francis Blanche
as Maximiliano
Sophie Agacinski
as Julie
Jacques Legras
as Inspector Ludovic Grossard
Christian Marin
as Bartender
Jacques Dynam
as Robert Garaudet
Robert Rollis
as Inn bartender
Pierre Tornade
as Léon , the cheated husband
Christiane Minazzoli
as Jacqueline
Marcelle Arnold
as Mrs. Barjon
Nathalie Courval
as Mrs. Garaudet
Clément Harari
as Doctor
Cathy Rosier
as Secretary
Elizabeth Teissier
as Léon’s wife
Dominique Zardi
as Garage employee
Serge Bento
as Garage employee (uncredited)
Michel Charrel
Henri Guégan
as Gaston (uncredited)
Bernard Le Coq
as Jerry (uncredited)
Jacques Macari
as (uncredited)
Claudia Morin
Bernard Musson
as Abbot (uncredited)
France Rumilly
as Godmother (uncredited)
Roger Trapp
as Verger (uncredited)
Nono Zammit
as Policeman (uncredited)
Francis Rigaud
Director