"A self-assured businessman murders his employer, the husband of his mistress, which unintentionally provokes an ill-fated chain of events."
Jeanne Moreau
as Florence Carala
Maurice Ronet
as Julien Tavernier
Georges Poujouly
as Louis
Yori Bertin
as Véronique
Lino Ventura
as Le Commissaire Cherrier
Iván Petrovich
as Horst Bencker
Elga Andersen
as Frieda Bencker
Jean Wall
as Simon Carala
Gérard Darrieu
as Maurice
Micheline Bona
as Geneviève
Charles Denner
as L'Adjoint du Commissaire Cherrier
Félix Marten
as Christian Subervie
Hubert Deschamps
as Le Substitut du Procureur
Jacques Hilling
as Le Garagiste
Marcel Journet
as Le Président du Conseil d'Administration
François Joux
as Commissaire de Police
Jean-Claude Brialy
as Le Jeune Homme du Motel (uncredited)
Gisèle Grandpré
as Jacqueline Mauclair
Jacqueline Staup
as Anna
Marcel Cuvelier
as Le Réceptionniste du Motel
Nicolas Bataille
as Un Consommateur à la Brasserie (uncredited)
Pierre Frag
Christian Brocard
as Un Consommateur (uncredited)
Marcel Bernier
as Un Policier au Commissariat (uncredited)
Guy Henry
as Un Inspecteur (uncredited)
Roger Jacquet
as Gaston (uncredited)
Alice Reichen
as La Fleuriste (uncredited)
Sylviane Aisenstein
as Yvonne, la Fille du Bar
Micheline Sarfati
as
Robert Balpo
Olivier Darrieux
as Le Chauffeur (uncredited)
Lucien Desagneaux
as Un Journaliste (uncredited)
Pierre Devilder
as Petit Rôle (uncredited)
Jean Thuillier
Producer
Miles Davis
Original Music Composer
Roger Nimier
Screenplay
Léonide Azar
Editor
Henri Decaë
Director of Photography
Louis Malle
Director
Boris de Fast
Makeup Artist
Raymond Gauguier
Sound Engineer
Alain Cavalier
Assistant Director
Rino Mondellini
Art Direction
Jean Rabier
First Assistant Camera
Madeleine Bibollet
Assistant Editor
Kenout Peltier
Jean Mandaroux
Irénée Leriche
Production Manager
Hubert Mérial
Unit Production Manager
Jean-Louis Castelli
Still Photographer
Vincent Rossell
André Villard
Camera Operator
Francine Corteggiani
Script Supervisor
Barney Wilen
Musician
Pierre Lax
Special Effects
Noël Calef
Novel
Jacques Martin
Property Master
Pierre Guffroy
First Assistant Art Direction
Dialogue
Jean-Paul Sassy
Technical Advisor
Kenny Clarke
André Bouladoux
Key Grip
François Leterrier
Second Assistant Director
René Urtreger
Pierre Michelot