Directed by
| Joaquín Luis Romero Marchent | ... | (as Paul Marchenti) |
Writing Credits (in alphabetical order)
| Federico De Urrutia | ... | (screenplay) |
| Federico De Urrutia | ... | (story) |
| Joaquín Luis Romero Marchent | ... | (screenplay) (as Joaquín L. Romero Marchent) |
| Joaquín Luis Romero Marchent | ... | (story) (as Joaquín L. Romero Marchent) |
| Manuel Sebares | ... | (screenplay) |
| Manuel Sebares | ... | (story) |
Cast (in credits order) complete, awaiting verification
 |
Paul Piaget | ... | Bob Carey |
| Robert Hundar | ... | Ringo | |
| Fernando Sancho | ... | Scometti, the half-breed | |
|
|
Gloria Milland | ... | María |
| Jesús Puente | ... | Clifford | |
|
|
Francisco Sanz | ... | Rogers (as Paco Sanz) |
| Raf Baldassarre | ... | Jess (as Ralph Baldwyn) | |
|
|
Antonio Gandía | ... | Bob |
|
|
Joe Kamel | ... | Greg (as Del Karmel) |
| Beni Deus | ... | Dan | |
|
|
Gregorio Wu | ... | Lin Chu (as Gregory Wu) |
| Luis Induni | ... | Donald | |
|
|
Gaspar 'Indio' González | ... | (as Indio González) |
| Álvaro de Luna | ... | Burns | |
|
|
Lorenzo Robledo | ... | Capitan |
|
|
Ricardo Rodríguez | ... | Indio |
|
|
Alfonso Rojas | ... | Harvey |
| Emilio Rodríguez | ... | Capitan | |
|
|
Emilio Berrio | ||
|
|
Pedro Fenollar | ... | Doctor |
| Rest of cast listed alphabetically: | |||
|
|
Román Ariznavarreta | ... | Teniente |
| John Bartha | ... | Dan (uncredited) | |
|
|
Agustín Bescos | ... | Man at Hoedown (uncredited) |
Produced by
| Félix Durán Aparicio | ... | executive producer |
Music by
| Riz Ortolani | ||
Cinematography by
| Rafael Pacheco | ||
| Fausto Zuccoli | ... | (uncredited in the Spanish version) (uncredited) |
Editing by
| Daniele Alabiso | ... | (Italian version) |
| Mercedes Alonso | ||
Art Direction by
| José Luis Galicia | ... | (as Galicia) |
| Jaime Pérez Cubero | ... | (as Cubero) |
| Saverio D'Eugenio | ... | (uncredited in Spanish version) (uncredited) |
Makeup Department
| Fernando Florido | ... | makeup artist |
| Vicenta Palmero | ... | hair stylist |
| Anchise Pieralli | ... | makeup artist (uncredited in Spanish version) (uncredited) |
Production Management
| Manuel Castedo | ... | production manager |
| Adriano Merkel | ... | production manager (uncredited in the Spanish version) (uncredited) |
| Ugo Novello | ... | unit manager (uncredited in the Spanish version) (uncredited) |
Second Unit Director or Assistant Director
| Rafael Romero Marchent | ... | assistant director |
| Roberto Giandalia | ... | assistant director (uncredited in the Spanish version) (uncredited) |
Art Department
| Julio Arribas | ... | property master |
Sound Department
| Enrique Molinero | ... | sound engineer |
| Pietro Spadoni | ... | sound engineer (uncredited in the Spanish version) (uncredited) |
| Augusto Troiani | ... | boom operator (uncredited in the Spanish version) (uncredited) |
Stunts
| Miguel Pedregosa | ... | stunts |
Camera and Electrical Department
| Luis E. Ibáñez | ... | still photographer |
| Rafael Pacheco | ... | camera operator |
| Diego Úbeda | ... | assistant camera |
| Alvaro Lanzoni | ... | camera operator (uncredited in Spanish version) (uncredited) |
| Edmondo Pisani | ... | assistant camera (uncredited in Spanish version) (uncredited) |
Editorial Department
| María Dolores Laguna | ... | assistant editor (as Mª Dolores Laguna) |
Music Department
| Riz Ortolani | ... | conductor |
Additional Crew
| Ramón Baillo | ... | production assistant |
| José Luis Baltanás | ... | voice dubbing: Alfonso Rojas (uncredited) |
| Ángel María Baltanás | ... | voice dubbing: Paul Piaget (uncredited) |
| Vicente Bañó | ... | voice dubbing: Fernando Sancho (uncredited) |
| Eduardo Calvo | ... | voice dubbing: Francisco Sanz (uncredited) |
| Manuel de Juan | ... | voice dubbing: Antonio Gandía/various (uncredited) |
| Benjamín Domingo | ... | voice dubbing: Román Ariznavarreta (uncredited) |
| Joaquín Escola | ... | voice dubbing: Emilio Rodríguez (uncredited) |
| José Guardiola | ... | voice dubbing: Raf Baldassarre (uncredited) |
| Celia Honrubia | ... | voice dubbing: Gloria Milland (uncredited) |
| José Martínez Blanco | ... | voice dubbing: Beni Deus (uncredited) |
| Fernando Mateo | ... | voice dubbing: Álvaro de Luna (uncredited) |
| Julio Núñez | ... | voice dubbing: Luis Induni (uncredited) |
| Simón Ramírez | ... | voice dubbing: Robert Hundar (uncredited) |
| Rafael Romero Marchent | ... | voice dubbing (uncredited) |
