A MAN... HIS WIFE... HER LOVER... the wall held the secret
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
Robert Bazil
Police inspector
Jean Degrave
Le bijoutier
Richard Francœur
Jeweler
Françoise Honorat
Guest of the Decreys
Joëlle Janin
Secretary
Robert Le Béal
Me Lombard, lawyer
Marguerite Lorne
Micheline Luccioni
Postwoman
Jacques Mancier
Suzanne Martichoux
Pascal Mazzotti
Jérôme
Jacqueline Noëlle
Barmaid
Philippe Olive
Henri
Aurore Chabrol
