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