Jean-Paul Belmondo as Ferdinand Griffon, 'Pierrot'

Anna Karina as Marianne Renoir

Graziella Galvani as Maria, Ferdinand's Wife

Aicha Abadir as Aicha Abadir (uncredited)

Henri Attal as Le Premier Pompiste (uncredited)

Pascal Aubier as Le Deuxième Frère (uncredited)

Maurice Auzel as Le Troisième Pompiste (uncredited)

Raymond Devos as L'Homme du Port (uncredited)

Roger Dutoit as The Gangster (uncredited)

Samuel Fuller as Samuel Fuller (uncredited)

Pierre Hanin as Le Troisième Frère (uncredited)

Jimmy Karoubi as Le Nain (uncredited)

Jean-Pierre Léaud as Young Man in Cinema (uncredited)

Hans Meyer as Gangster (uncredited)

Krista Nell as Madame Staquet (uncredited)

Dirk Sanders as Fred (uncredited)

Georges Staquet as Frank (uncredited)

László Szabó as L'Exilé Politique (uncredited)

Dominique Zardi as Le Deuxième Pompiste (uncredited)