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.
Nee, helaas is Once Upon a Time in the West nog niet beschikbaar 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 |
