| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alberto Grimaldi | Crew | Production | Producer |
 Aldo Pomilia | Crew | Production | Line Producer |
Arturo González | Crew | Production | Producer |
 Bruno Nicolai | Crew | Sound | Conductor |
 Carlo Simi | Crew | Art | Production Design, Costume Design |
Elio Pacella | Crew | Sound | Sound |
 Ennio Morricone | Crew | Sound | Original Music Composer |
Eros Bacciucchi | Crew | Crew | Special Effects |
Eugenio Alabiso | Crew | Editing | Editor |
Gastone Di Giovanni | Crew | Camera | Camera Operator |
 Maurizio Mein | Crew | Directing | First Assistant Director |
Rafael Ferri | Crew | Art | Assistant Production Design |
Rafael Pacheco | Crew | Camera | Director of Photography |
Rosanna Andreoni | Crew | Costume & Make-Up | Assistant Costume Designer |
 Sergio Donati | Crew | Writing | Screenplay |
 Sergio Sollima | Crew | Directing | Director, Story, Screenplay |
Thomas Sagone | Crew | Production | Production Manager |
Rino Carboni | Crew | Costume & Make-Up | Makeup Artist |
Giusy Bovino | Crew | Costume & Make-Up | Hairstylist |
Renato Cadueri | Crew | Sound | Sound Mixer |
Mariano Canales | Crew | Directing | First Assistant Director |
 Antonio Palombi | Crew | Art | Assistant Production Design |
Rossano Caporicci | Crew | Costume & Make-Up | Assistant Makeup Artist |
Luigina Lovari | Crew | Directing | Script Supervisor |
 Igino Lardani | Crew | Art | Title Designer |
Romano Raschi | Crew | Production | Production Secretary |
Lamberto Andreani | Crew | Production | Production Secretary |
Pietro Nofri | Crew | Production | Unit Manager |
Ruggero Radicchi | Crew | Camera | First Assistant Camera |
Mario Campolunghi | Crew | Production | Production Secretary |
 Aldo Sambrell | Cast | Actor | Zachary Shawn |
 Antonio Casas | Cast | Actor | Leading Citizen of Puerto del Fuego |
 Carole André | Cast | Actress | Elizabeth Wilkins |
 Frank Braña | Cast | Actor | Jason |
 Gian Maria Volonté | Cast | Actor | Professor Brett Fletcher |
 Gianni Rizzo | Cast | Actor | Williams |
 Giovanni Ivan Scratuglia | Cast | Actor | Taylor Henchman |
 Jolanda Modio | Cast | Actress | Maria |
 Lidia Alfonsi | Cast | Actress | Belle de Winton |
 Linda Veras | Cast | Actress | Cathy |
 Lorenzo Robledo | Cast | Actor | Wallace |
 Nello Pazzafini | Cast | Actor | Vance |
 Rossella D'Aquino | Cast | Actress | Sandy / Sally |
 Tomas Milian | Cast | Actor | Solomon 'Beauregard' Bennet |
 William Berger | Cast | Actor | Charley Siringo |
 Ángel del Pozo | Cast | Actor | Maximilian de Winton |
 José Torres | Cast | Actor | Aaron Chase |
 Guy Heron | Cast | Actor | Sheriff at de Winton Estate |
| Person | Type | Job | Role(s) |
