Jean-Louis Trintignant as Nicolas Mallet

Jean-Pierre Cassel as Claude Fabre

Romy Schneider as Roberte Groult

Jane Birkin as Marie-Paule Allard

Jean-François Balmer as Vischenko

Florinda Bolkan as Flora Danieli

Mary Marquet as Tania Hermens

Dominique Constanza as Sabine

Gisèle Casadesus as Mrs. Lourceuil

Georges Wilson as Julien Lourceuil

Henri Garcin as Deputy Berthoud

Michel Vitold as Georges Groult, Roberte's husband

Georges Beller as Jean-Mi, friend of Marie-Paule

Estella Blain as Shirley Douglas

Léonie Lousseau as Denise

Carlo Nell as Coffee boy

Betty Berr as Sylvie

Yves Bureau as

Rachel Cathoud as

Adrienne Servantie as Madame Corelmann

Madeleine Damien as Flora's maid

Annick Blancheteau as

Christine Boisson as Naked girl at Flora's (uncredited)