The film was nominated for the Palme d'Or at the 1976 Cannes Film Festival but lost to '' Taxi Driver '' . However , '' Monsieur Klein '' did win the César Award for Best Film while Losey won the César Award for Best Director . Alexandre Trauner won the César Award for Best Production Design , Alain Delon got César Award for Best Actor , and in addition the film was nominated for Césars in three other categories
1976 Cannes Film Festival
1976 Cannes Film Festival
Monsieur Klein