Two bounty hunters are in pursuit of "El Indio," one of the most wanted fugitives in the western territories, and his gang.
| Directing | Sergio Leone | Director |
| Writing | Sergio Leone | Screenplay |
| Writing | Luciano Vincenzoni | Screenplay |
| Production | Arturo González | Producer |
| Production | Alberto Grimaldi | Producer |
| Sound | Ennio Morricone | Original Music Composer |
| Camera | Massimo Dallamano | Director of Photography |
| Editing | Eugenio Alabiso | Editor |
| Editing | Giorgio Serrallonga | Editor |
| Costume & Make-Up | Carlo Simi | Costume Design |
| Costume & Make-Up | Amedeo Alessi | Makeup Artist |
| Costume & Make-Up | Juan Farsac | Makeup Artist |
| Crew | Rick Lester | Stunts |
| Crew | Nosher Powell | Stunts |
| Production | Alfredo Fraile | Executive Producer |
| Crew | Sergio Donati | Additional Writing |
| Crew | Fernando Di Leo | Additional Writing |
| Camera | Aldo Ricci | Camera Operator |
| Costume & Make-Up | Rino Carboni | Makeup Department Head |
| Production | Manuel Castedo | Production Supervisor |
| Production | Ottavio Oppo | Production Manager |
| Production | Norberto Solino | Production Supervisor |
| Production | Fernando Rossi | Production Supervisor |
| Directing | Tonino Valerii | Assistant Director |
| Directing | Fernando Di Leo | Assistant Director |
| Directing | Julio Sempere | Assistant Director |
| Art | Carlo Simi | Settings |
| Crew | Giovanni Corridori | Special Effects |
| Crew | Eros Bacciucchi | Special Effects |
| Crew | Manuel Baquero | Special Effects |
| Crew | Benito Stefanelli | Stunt Coordinator |
| Sound | Bruno Nicolai | Music Director |
| Art | Ángel Cabero | Settings |
| Art | Montoro | Settings |
| Costume & Make-Up | Isabel Mellado | Assistant Makeup Artist |
| Directing | Julio Ortas | Second Unit Director |
| Art | Rafael Ferri | Assistant Decorator |
| Art | Carlo Leva | Assistant Art Director |
| Sound | Oscar De Arcangelis | Sound |
| Sound | Guido Ortenzi | Sound |
| Camera | Mario Lommi | Assistant Camera |
| Camera | Eduardo Noé | Camera Operator |
| Camera | Domenico Parrello | Grip |
| Camera | Isidro Muro | First Assistant Camera |
| Camera | Julio Ortas | Second Unit Director of Photography |
| Camera | Lothar Winkler | Still Photographer |
| Crew | Luis Beltrán | Stunts |
| Production | Luis Beltrán | Local Casting |
| Editing | Adriana Novelli | Supervising Editor |
| Sound | Alessandro Alessandroni | Musician |
| Sound | Bruno Battisti D'Amario | Musician |
| Sound | Cantori Moderni Di Alessandroni | Musician |
| Sound | Nino Culasso | Musician |
| Sound | Maurizio Graf | Musician |
| Sound | Michele Lacerenza | Musician |
| Sound | Ennio Morricone | Conductor |
| Directing | Mariano Canales | Script Supervisor |
| Directing | Maria Luisa Rosen | Continuity |
| Crew | Arturo González | Presenter |
| Crew | Alberto Grimaldi | Presenter |
| Production | Antonio Palombi | Production Secretary |
| Art | Igino Lardani | Title Designer |
| Writing | Sergio Leone | Story |
| Writing | Fulvio Morsella | Story |
