| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bruno Nicolai | Crew | Sound | Conductor |
 Dario Argento | Crew | Writing | Screenplay, Story |
 Don Taylor | Crew | Directing | Director |
 Ennio Michettoni | Crew | Art | Set Decoration |
 Ennio Morricone | Crew | Sound | Original Music Composer |
 Enzo Barboni | Crew | Camera | Director of Photography |
 Enzo Bulgarelli | Crew | Art | Production Design |
Eraldo Giordani | Crew | Sound | Sound |
Franco Palaggi | Crew | Production | Line Producer |
Gianni D'Amico | Crew | Sound | Sound Mixer |
Luciano Sagoni | Crew | Costume & Make-Up | Costume Design |
Massimo Giustini | Crew | Costume & Make-Up | Makeup Artist |
Roberto Palaggi | Crew | Production | Executive Producer |
Sergio Bergamini | Crew | Camera | Camera Operator |
Sergio Chiusi | Crew | Crew | Special Effects |
Sergio Montanari | Crew | Editing | Editor |
 Stefano Rolla | Crew | Directing | First Assistant Director |
 Italo Zingarelli | Crew | Directing | Director, Producer |
Salvatore Cotroneo | Crew | Costume & Make-Up | Hairstylist |
Maria Luisa Rosen | Crew | Directing | Script Supervisor |
Nadia Bonifazi | Crew | Editing | Assistant Editor |
Luciano Pesciaroli | Crew | Production | Unit Manager |
Ruggero Cappelli | Crew | Production | Production Secretary |
 Alba Maiolini | Cast | Actress | Woman at Execution (uncredited) |
 Alberigo Donadeo | Cast | Actor | Onlooker at Hanging (uncredited) |
 Angelo Susani | Cast | Actor | Mexican Soldier (uncredited) |
Annabella Andreoli | Cast | Perla the Mexican girl | |
 Antonio Monselesan | Cast | Actor | Safety Precaution Officer (uncredited) |
 Artemio Antonini | Cast | Actor | Prison Warden (uncredited) |
 Bruno Ariè | Cast | Actor | Mexican Soldier (uncredited) |
 Bud Spencer | Cast | Actor | Mesito |
 Carlo Alighiero | Cast | Actor | Capt. Gutierrez |
 Claudio Gora | Cast | Actor | Manuel Esteban |
 Dan Sturkie | Cast | Actor | Carnival Barker |
 Daniela Giordano | Cast | Actress | Maria |
 Dante Cleri | Cast | Actor | Pueblo Mayor (uncredited) |
Don Taylor | Cast | Actor | Poker Player (uncredited) |
 Fortunato Arena | Cast | Actor | Execution Squad Commander (uncredited) |
 Franco Pasquetto | Cast | Mexican Soldier (uncredited) | |
 Franco Ukmar | Cast | Actor | Mexican Soldier (uncredited) |
 Giacomo Rossi Stuart | Cast | Actor | One of Gutierrez' Officers |
 Gildo Di Marco | Cast | Actor | Mexican in Back of Carriage (uncredited) |
 James Daly | Cast | Actor | Capt. Nicolas Augustus |
 Lina Franchi | Cast | Actress | Woman at Execution (uncredited) |
 Luigi Bonos | Cast | Actor | Priest (uncredited) |
 Marino Masé | Cast | Actor | Railroad Man |
 Nino Castelnuovo | Cast | Actor | Luis Dominguez |
 Omero Capanna | Cast | Actor | Mexican Soldier (uncredited) |
 Osiride Pevarello | Cast | Actor | Full-Bearded Singing Mexican (uncredited) |
 Peter Graves | Cast | Actor | Dutchman |
 Pietro Torrisi | Cast | Actor | Mexican Officer (uncredited) |
 Sergio Ukmar | Cast | Actor | Mexican Soldier (uncredited) |
 Steffen Zacharias | Cast | Actor | Poker Player (uncredited) |
 Tetsurō Tamba | Cast | Actor | Samurai |
 José Torres | Cast | Actor | Mexican Spy |
 Paolo Figlia | Cast | Actor | Mexican Soldier (uncredited) |
Adriana Bruno | Cast | Actress | Woman at Execution (uncredited) |
| Person | Type | Job | Role(s) |
