Brett McBain is een welkomstfeest aan het organiseren voor Jill, de vrouw waarmee hij de vorige maand getrouwd is in New Orleans. Wanneer hij en zijn drie kinderen neergeschoten worden door „desperados”, erft Jill de grond van haar man.
Ja! de film Once Upon a Time in the West is nu beschikbaar om te kijken op Netflix in Nederland.
| Writing | Mickey Knox | Dialogue |
| Art | Carlo Simi | Production Design |
| Sound | Ennio Morricone | Conductor |
| Sound | Roberto Arcangeli | Sound Effects |
| Writing | Dario Argento | Story |
| Crew | John Landis | Stunts |
| Sound | Ennio Morricone | Original Music Composer |
| Production | Fulvio Morsella | Producer |
| Production | Ugo Tucci | Production Supervisor |
| Costume & Make-Up | Grazia De Rossi | Hairdresser |
| Writing | Sergio Donati | Screenplay |
| Production | Claudio Mancini | Production Manager |
| Costume & Make-Up | Alberto De Rossi | Makeup Supervisor |
| Sound | Claudio Maielli | Sound Engineer |
| Writing | Bernardo Bertolucci | Story |
| Editing | Nino Baragli | Editor |
| Production | Bino Cicogna | Executive Producer |
| Costume & Make-Up | Giannetto De Rossi | Makeup Artist |
| Camera | Tonino Delli Colli | Director of Photography |
| Sound | Italo Cameracanna | Sound Effects |
| Directing | Sergio Leone | Director |
| Sound | Luciano Anzellotti | Sound Effects |
| Costume & Make-Up | Carlo Simi | Costume Designer |
| Writing | Sergio Leone | Story |
| Crew | Eros Bacciucchi | Special Effects |
| Sound | Elio Pacella | Sound Engineer |
| Sound | Fausto Ancillai | Sound Engineer |
| Directing | Giancarlo Santi | First Assistant Director |
| Writing | Sergio Leone | Screenplay |
| Sound | Bruno Battisti D'Amario | Musician |
| Crew | Claudio Scarchilli | Stunts |
| Crew | Fabio Testi | Stunts |
| Crew | Román Ariznavarreta | Stunts |
| Crew | Paolo Figlia | Stunts |
| Crew | Benito Stefanelli | Stunts |
| Crew | Claudio Mancini | Stunts |
| Production | Jack English | Location Manager |
| Directing | Salvatore Basile | Assistant Director |
| Directing | Adolfo Aristarain | Assistant Director |
| Art | Rafael Ferri | Set Decoration |
| Art | Carlo Leva | Set Decoration |
| Art | Carlo Simi | Set Decoration |
| Costume & Make-Up | Antonella Pompei | Costume Designer |
| Art | Antonio Palombi | Assistant Production Design |
| Art | Enrico Simi | Assistant Set Decoration |
| Visual Effects | Carlo De Marchis | Visual Effects |
| Camera | Franco Di Giacomo | Camera Operator |
| Camera | Roberto Forges Davanzati | Assistant Camera |
| Camera | Giuseppe Lanci | Assistant Camera |
| Camera | Angelo Novi | Still Photographer |
| Editing | Andreina Casini | Assistant Editor |
| Editing | Carlo Reali | Assistant Editor |
