Jean-Pierre Mocky
François Gérane
Pierre Brasseur
Dr. Varmont
Charles Aznavour
Heurtevent
Jean Galland
Maître Gérane
Jean Ozenne
Count Elzéar de Chambrelle
Thomy Bourdelle
Colonel Donnadieu
Rudy Lenoir
The hidden man
Roger Legris
Decauville, the driver
Henri San Juan
The pool owner
Édith Scob
The singing mad
Max Montavon
Internee in the refectory
Doudou Babet
The black man
Jacques Mancier
Man with a gun
Luis Masson
Intern (uncredited)
Lucien Camiret
(uncredited)
Sophie Poncin
(uncredited)
Sophie Saint-Just
(uncredited)
Monique Ardoin
(uncredited)
Georges Pally
(uncredited)