Alain Delon
Mr. Robert Klein
Juliet Berto
Jeanine, Robert's mistress
Jean Bouise
Seller of the painting
Suzanne Flon
Concierge of rue des Abbesses
Massimo Girotti
Charles, Florence's husband
Michel Aumont
Jew Affairs Section Official
Roland Bertin
Newspaper Director
Jean Champion
Morgue keeper
Gérard Jugnot
Photographer
Hermine Karagheuz
Young Worker
Jacques Maury
Professor Montandon
Fred Personne
Police Commissioner
Francine Racette
Françoise / Cathy / Isabelle
Isabelle Sadoyan
Examined Woman
Louis Seigner
Mr. Klein's Father
Joseph Losey
Man at the Vel d'Hiv (uncredited)
Brigitte Ariel
(uncredited)
Marius Balbinot
(uncredited)
Maurice Baquet
Musician (uncredited)
Philippe Brizard
(uncredited)
Raymond Danon
(uncredited)
Christian de Tillière
Auctioneer (uncredited)
Michel Delahaye
(uncredited)
Bernard-Pierre Donnadieu
Extra (uncredited)
Pierre Frag
Georges, Newspaper Seller (uncredited)
Mireille Franchino
(uncredited)
David Gabison
Bellboy (uncredited)
Maurice Jany
Driver in Ivry-la-Bataille (uncredited)
Stephane Quatrehomme
Pierre's Son (uncredited)
Jean Topart
Speaker's voice (voice) (uncredited)
Danielle Verne
Deportee (uncredited)
Thierry de Brem
(uncredited)
Tina Aumont
Spectator (uncredited)
Nathalie Rigaux
Little girl at the Vel d'Hiv (uncredited)