Mr. Klein

Alain Delon

Mr. Robert Klein

Jeanne Moreau

Florence

Francine Bergé

Nicole

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

Michael Lonsdale

Pierre