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