Bourvil

Léon Dutilleul

Joan Greenwood

Susan

Gérard Oury

Maurice

Henri Crémieux

Mr. Lécuyer

Roger Tréville

Félix Burdin

Jacques Erwin

Gaston

Frédéric O'Brady

The Medical Specialist

Nina Myral

Mrs. Eloise

André Dalibert

Germaine Reuver

Mrs. Ménard, the Concierge

Jeanne Véniat

The South American

Georges Flateau

Mr Robert

Edmond Beauchamp

Arturo

Georges Lannes

The Director of the 'Prison de la Santé'

Marcelle Arnold

Germaine

Raymond Souplex

Jean-Paul

Nicolas Amato

The First Agent (uncredited)

Georgette Anys

Maria (uncredited)

Maurice Biraud

A colleague of Léon (uncredited)

Gérard Buhr

(uncredited)

Marcel Charvey

The bartender (uncredited)

Dominique Davray

A model (uncredited)

Franck Maurice

The Second Agent (uncredited)