A shy bank employee unexpectedly invites a young woman to a café, leading to a one-night stand. When he shares this with his disillusioned friend, the writer helps him navigate a dazzling social ascent.
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
