Michel Simon

Character: Albert Ménard-Lacoste / Alain Ménard-Lacoste

Louis de Funès

Character: Emile, manvalet

Marguerite Pierry

Character: Madeleine Lacoste

François Guérin

Character: Pierre Lacoste

Laurence Badie

Character: Geneviève Lacoste

Claude Gensac

Character: Evelyne, chambermaid

Léon Walther

Character: Maître Denisot, notary

Pauline Carton

Character: Boss of the hotel

Marthe Salbel

Character: Marie, cook

Lana Marconi

Character: une prostituée, "la comtesse"

Michel Nastorg

Character: Mechanic

André Brunot

Character: Dr. Ogier

Georges Bever

Character: Taxi driver

Max Dejean

Character: Tavern boss

Marcel Pérès

Character: Commissioner Vincent

Jacqueline Gut

Character: Mercer

Jacques Derives

Character: Doctor from Roubaix

Marcel Mouloudji

Character: Singer

Marc Arian

Character: Mr. Valembray, department head (uncredited)

Louiguy

Character: Self (uncredited)

Christine Vall

Character: Maid (uncredited)

Sacha Guitry

Character: Self in the prologue / Narrator (uncredited)