Filmmakers: Sergio Leone - Director / Writer (story) (screenplay), Dario Argento - Writer (story), Bernardo Bertolucci - Writer (story), Sergio Donati - Writer (screenplay), Mickey Knox - Writer (dialogue: English version), Fulvio Morsella - Producer, Tonino Delli Colli - Cinematographer, Ennio Morricone - Composer, Carlo Simi - Production Designer, Nino Baragli - Editor more »