Jean-Pierre Mocky as François Gérane

Pierre Brasseur as Dr. Varmont

Paul Meurisse as Dr. Emery

Charles Aznavour as Heurtevent

Anouk Aimée as Stéphanie

Jean Galland as Maître Gérane

Jean Ozenne as Comte Elzéar de Chambrelle

Thomy Bourdelle as Colonel Donnadieu

Rudy Lenoir as The hidden man

Roger Legris as Decauville, the driver

Henri San Juan as The pool owner

Édith Scob as The singing mad

Max Montavon as

Luis Masson as

Balpo as

Paul Demange as

René Alié as

Luc Andrieux as a nurse

Doudou Babet as The black man

Claude Badolle as

Claude Castaing as

Jean Henry as

Pierre Koplitchev as

Jean Labarrère as

Jacques Mancier as the man with a gun

Claude Mansard as

Raoul Marco as

Diego Masson as

Pierre Mirat as a keeper

Véronique Nordey as

Henri Poirier as the priest

Alexandre Randall as

Jean Rougerie as

Jacques Seiler as a nurse

André Thorent as

Lucien Camiret as

Sophie Poncin as

Sophie Saint-Just as

Monique Ardoin as

Georges Pally as

Alice Guerpillon as the swimmer