Jess Hahn as Pierre Wesselrin

Michèle Girardon as Dominique Laurent

Van Doude as Jean-François Santeuil

Paul Bisciglia as Willy

Gilbert Edard as Michel Caron

Christian Alers as Philippe

Paul Crauchet as Fred

Jill Olivier as Cathy

Sophie Perrault as Chris

Stéphane Audran as La Patronne de l'Hôtel

Jean Le Poulain as Le Clochard

Jean-Marie Arnoux as (uncredited)

Gaby Blondé as (uncredited)

Daniel Crohem as (uncredited)

Jean Domarchi as (uncredited)

Marie Dubois as La Jeune Femme au Café (uncredited)

France Farnel as (uncredited)

Enrico Fulchignoni as (uncredited)

Jean-Luc Godard as Le Mélomane (uncredited)

Yann Groël as (uncredited)

Fereydoun Hoveyda as (uncredited)

Jean-Pierre Melville as Un Consommateur (uncredited)

Michel Mourlet as Un Consommateur (uncredited)

Macha Méril as La Blonde du 14 Juillet (uncredited)

Françoise Prévost as Hélène (uncredited)

Alain Resnais as Un Consommateur (uncredited)

Malka Ribowska as La Mère des Deux Enfants (uncredited)

Uta Taeger as (uncredited)

Véra Valmont as La Blonde de Nanterre (uncredited)

José Varela as (uncredited)