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.
| Production | Ugo Tucci | Production Supervisor |
| Editing | Nino Baragli | Editor |
| Writing | Sergio Donati | Screenplay |
| Sound | Ennio Morricone | Original Music Composer |
| Production | Bino Cicogna | Executive Producer |
| Writing | Sergio Leone | Story |
| Costume & Make-Up | Grazia De Rossi | Hairdresser |
| Crew | John Landis | Stunts |
| Directing | Giancarlo Santi | First Assistant Director |
| Costume & Make-Up | Carlo Simi | Costume Designer |
| Costume & Make-Up | Giannetto De Rossi | Makeup Artist |
| Sound | Claudio Maielli | Sound Engineer |
| Sound | Italo Cameracanna | Sound Effects |
| Production | Claudio Mancini | Production Manager |
| Production | Fulvio Morsella | Producer |
| Writing | Bernardo Bertolucci | Story |
| Crew | Eros Bacciucchi | Special Effects |
| Camera | Tonino Delli Colli | Director of Photography |
| Writing | Dario Argento | Story |
| Writing | Sergio Leone | Screenplay |
| Sound | Roberto Arcangeli | Sound Effects |
| Sound | Luciano Anzellotti | Sound Effects |
| Costume & Make-Up | Alberto De Rossi | Makeup Supervisor |
| Sound | Ennio Morricone | Conductor |
| Sound | Elio Pacella | Sound Engineer |
| Sound | Fausto Ancillai | Sound Engineer |
| Directing | Sergio Leone | Director |
| Art | Carlo Simi | Production Design |
| Writing | Mickey Knox | Dialogue |
