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