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