Directed by
| José Luis Merino | ||
Writing Credits (in alphabetical order)
| Arrigo Colombo | ||
| Enrico Colombo | ||
| María del Carmen Martínez Román | ||
| José Luis Merino | ||
Cast (in credits order)
| Peter Lee Lawrence | ... | Robert McGregor / Blondie | |
 |
Carlos Quiney | ... | George Forsyte / George Sartana (as Charles Quiney) |
| Malisa Longo | ... | Yuma (as Marisa Longo) | |
| Stelvio Rosi | ... | Ross Steward (as Stan Cooper) | |
| Mariano Vidal Molina | ... | Joe Saxon | |
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María Salerno | ... | Maticha (as Marta Monterrey) |
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Stefano Caprioti | ||
| Antonio Jiménez Escribano | ... | Old Tradesman (as Antonio J. Escribano) | |
| Antonio Mayans | ... | Young Man after Saxon | |
| Enrique Ávila | |||
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Giancarlo Fantini | ||
| José Jaspe | ... | Sheriff of Jonesville | |
|
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Enzo Fisichella | ||
| José Marco | ... | Debuty Sheriff | |
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Renato Paracchi | ||
| Santiago Rivero | |||
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Claudio Trionfi | ||
| María Mahor | ... | Gladys McGregor | |
| Luis Marín | ... | Pancho | |
| Rest of cast listed alphabetically: | |||
| Dan van Husen | ... | Frank Landon (uncredited) | |
Music by
| Augusto Martelli | ||
Cinematography by
| Emanuele Di Cola | ||
Editing by
| Sandro Lena | ... | (Italian version) |
| José Antonio Rojo | ||
Set Decoration by
| Francesco Di Stefano | ||
| Luis Vázquez | ||
Makeup Department
| Bianca Verdirosi | ... | makeup artist (as Bianca Verdirosa) |
Production Management
| Enrico Colombo | ... | production manager |
| Gerardo Mendiburu | ... | production manager |
| Ricardo Merino | ... | production manager |
Second Unit Director or Assistant Director
| Alberto Chiarolla | ... | assistant director |
Camera and Electrical Department
| Ildo Chiappini | ... | camera operator |
Script and Continuity Department
| Maria Grazia Grossi | ... | continuity |
Additional Crew
| Cesare Barbetti | ... | voice dubbing: Stelvio Rosi (uncredited) |
| Fiorella Betti | ... | voice dubbing: María Mahor (uncredited) |
| Luciano De Ambrosis | ... | voice dubbing: Mariano Vidal Molina (uncredited) |
| Manlio De Angelis | ... | voice dubbing: Carlos Quiney (uncredited) |
| Vittoria Febbi | ... | voice dubbing: Malisa Longo (uncredited) |
| Massimo Turci | ... | voice dubbing: Peter Lee Lawrence (uncredited) |
