Michel Simon

Albert Ménard-Lacoste / Alain Ménard-Lacoste

Louis de Funès

Emile, manvalet

Marguerite Pierry

Madeleine Lacoste

François Guérin

Pierre Lacoste

Laurence Badie

Geneviève Lacoste

Claude Gensac

Evelyne, chambermaid

Léon Walther

Maître Denisot, notary

Pauline Carton

Boss of the hotel

Marthe Salbel

Marie, cook

Lana Marconi

une prostituée, "la comtesse"

Michel Nastorg

Mechanic

André Brunot

Dr. Ogier

Georges Bever

Taxi driver

Max Dejean

Tavern boss

Marcel Pérès

Commissioner Vincent

Jacqueline Gut

Mercer

Jacques Derives

Doctor from Roubaix

Marcel Mouloudji

Singer

Marc Arian

Mr. Valembray, department head (uncredited)

Louiguy

Self (uncredited)

Christine Vall

Maid (uncredited)

Sacha Guitry

Self in the prologue / Narrator (uncredited)