Cast
Henri Crémieux
Professor Richet, psychiatrist
André Chanu
Doctor Schwartz
Virna Lisi
Nathalie Revent
Marc Cassot
Vincent
Dominique Marcas
Neighbor
Jacques Castelot
(uncredited)
Alain Noury
Dino
Nicole Gobbi
Alberto Farnese
Alain's friend
Monique Mélinand
Neighbor witness
Helmut Berger
Alain Revent
Édith Scob
Sylvie Revent
Michel Peyrelon
Maître d'hôtel
Howard Vernon
Maître Wasserman, property administrator
Paul Bonifas
Hotel porter
Charles Aznavour
Inspector Leroy
Yves Brainville
Commissioner Dedru
Paul Pavel
Delivery man
Roger Coggio
Alain Revent (voice)
Jacques Chevalier
Police inspector (uncredited)
Françoise Brion
Jacqueline
Guy Marly
Chemist
Robert Le Béal
Judge
Serge Berry