Jean-Louis Trintignant as Nicolas Mallet

Jean-Pierre Cassel as Claude Fabre

Romy Schneider as Roberte Groult

Jane Birkin as Marie-Paule

Jean-François Balmer as Vischenko

Florinda Bolkan as Flora

Mary Marquet as Mrs. Hermens

Dominique Constanza as Sabine

Gisèle Casadesus as Mrs. Lourceuil

Georges Wilson as Lourceuil

Henri Garcin as Berthoud

Michel Vitold as Georges, Roberte's husband

Georges Beller as 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

Madeleine Damien as

Annick Blancheteau as

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