Jean-Pierre Mocky
François Gérane

Pierre Brasseur
Dr. Varmont

Paul Meurisse
Dr. Emery

Charles Aznavour
Heurtevent

Anouk Aimée
Stéphanie

Jean Galland
Maître Gérane

Jean Ozenne
Count Elzéar de Chambrelle

Thomy Bourdelle
Colonel Donnadieu

Rudy Lenoir
The hidden man

Roger Legris
Decauville, the driver

Édith Scob
The singing mad

Max Montavon
Internee in the refectory

Jacques Mancier
Man with a gun

Claude Mansard

Raoul Marco

Diego Masson

Pierre Mirat
Keeper

Véronique Nordey

Henri Poirier
Priest

Jean Rougerie

Jacques Seiler
Nurse

André Thorent

Paul Demange
(uncredited)

Lucien Camiret
(uncredited)

Georges Pally
(uncredited)