Metro Goldwyn Mayer ; United Artists ; a film produced by Alberto Grimaldi for PEA, Produzioni Europee Associate, Roma ; story and screenplay by Federico Fellini and Bernardino Zapponi ; directed by Federico Fellini ; additional screenplay, Brunello Rondi
a Titanus production released by Twentieth Century Fox ; produced by Goffredo Lombardo ; directed by Luchino Visconti ; screenplay, Suso Cecchi d'Amico, Pasquale Festa Campanile, Enrico Medioli, Massimo Franciosa, Luchino Visconti
Titanus production released by Twentieth Century Fox Film Corp. ; Criterion Collection ; adattato e sceneggiato da Suso Cecchi [and others] ; Goffredo Lombardo presenta ; regia, Luchino Visconti
United Artists presents a film produced by Alberto Grimaldi ; screenplay by Age [Agenore Incrocci], Scarpelli [Furio Scarpelli], Luciano Vincenzoni and Sergio Leone ; English version by Mickey Knox ; directed by Sergio Leone