Rich industrialist Jacques Decret learns his wife Gloria is having an affair with a young actor. For revenge, he bombards her with anonymous letters, convincing her that her lover is the culprit while Gloria desperately seeks a way out.
Jeanne Moreau
Gloria Decrey
Gérard Oury
Jacques Decrey
Philippe Nicaud
Yves Normand
Claire Maurier
Ghislaine
Gérard Buhr
Mario
George Cusin
Police commissioner