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 as Un Consommateur à la Brasserie (uncredited)

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 as Un Consommateur (uncredited)

Olivier Darrieux as Le Chauffeur (uncredited)

Lucien Desagneaux as Un Journaliste (uncredited)

Pierre Devilder as Petit Rôle (uncredited)