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
as Gloria Decrey
Gérard Oury
as Jacques Decrey
Philippe Nicaud
as Yves Normand
Claire Maurier
as Ghislaine
Gérard Buhr
as Mario
George Cusin
as Police commissioner
Robert Bazil
as Police inspector
Jean Degrave
as Le bijoutier
Richard Francœur
as Jeweler
Françoise Honorat
as Guest of the Decreys
Joëlle Janin
as Secretary
Robert Le Béal
as Me Lombard, lawyer
