Marcello Mastroianni

Arthur Meursault

Anna Karina

Marie Cardona

Bernard Blier

Defense Counsel

Alfred Adam

Prosecutor

Pierre Bertin

Judge

Angela Luce

Madame Masson

Jacques Herlin

Director of Home

Mimmo Palmara

Masson

Jean-Pierre Zola

Employer

Jacques Monod

Prison Guard

Vittorio Duse

Lawyer

Brahim Hadjadj

Arab

Valentino Macchi

Bruno Cremer

Priest

Georges Géret

Raymond Sintes

Georges Wilson

Examining Magistrate

Jean-Marc Bory

(uncredited)