"The mistress of the wealthy Henri Marcoux is murdered and the family accuses the milkman of committing the crime. But Marcoux's daughter's fiancé suspects that she may have been murdered by someone else."
Madeleine Robinson
as Thérèse Marcoux
Antonella Lualdi
as Leda
Jean-Paul Belmondo
as Laszlo Kovacs
Jeanne Valérie
as Elisabet
Jacques Dacqmine
as Henri Marcoux
Bernadette Lafont
as Julie
André Jocelyn
as Richard Marcoux
László Szabó
as Vlado
Mario David
as Roger
André Dino
as
Raymond Pélissier
Claude Chabrol
Director
Stanley Ellin
Novel
Paul Misraki
Original Music Composer
Paul Gégauff
Adaptation
Dialogue
Bernard Evein
Production Design
Louis Bonnemaison
Makeup Artist
Jacques Gaillard
Editor
Jacques Saulnier
Maurice Bourbotte
Set Decoration
Art Direction
Jeanne Vergne
Costume Design
Jean-Claude Marchetti
Sound
Henri Decaë
Director of Photography
Robert Hakim
Producer
Raymond Hakim