Jeanne Moreau as Florence Carala

Maurice Ronet as Julien Tavernier

Georges Poujouly as Louis

Yori Bertin as Véronique

Jean Wall as Simon Carala

Elga Andersen as Frieda Bencker

Sylviane Aisenstein as Yvonne, la Fille du Bar

Micheline Bona as Geneviève

Gisèle Grandpré as Jacqueline Mauclair

Jacqueline Staup as Anna

Marcel Cuvelier as Le Réceptionniste du Motel

Gérard Darrieu as Maurice

Charles Denner as L'Adjoint du Commissaire Cherrier

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

Iván Petrovich as Horst Bencker

Félix Marten as Christian Subervie

Lino Ventura as Le Commissaire Cherrier

Jean-Claude Brialy as Le Jeune Homme du Motel (uncredited)

Nicolas Bataille as Un Consommateur à la Brasserie (uncredited)

Pierre Frag as Un Consommateur à la Brasserie (uncredited)

Christian Brocard as Un Consommateur (uncredited)

Guy Henry as Un Inspecteur (uncredited)

Lucien Desagneaux as Un Journaliste (uncredited)

Marcel Bernier as Un Policier au Commissariat (uncredited)

Roger Jacquet as Gaston (uncredited)

Olivier Darrieux as Le Chauffeur (uncredited)

Alice Reichen as La Fleuriste (uncredited)

Robert Balpo as Un Consommateur (uncredited)

Pierre Devilder as Petit Rôle (uncredited)