1969 French film
The Sicilian Clan (French: Le clan des Siciliens) is a 1969 French-Italian gangster film based on the novel by Auguste Le Breton. It was directed by Henri Verneuil and stars Jean Gabin, Lino Ventura and Alain Delon, whose casting has been credited with the film's box office success in France. Ennio Morricone composed the score for the film.
Plot summary adapted from Wikipedia, licensed under CC BY-SA 4.0.