Directed by
| Ferdinando Baldi | ... | (as Ted Kaplan) |
Writing Credits (in alphabetical order)
| Federico De Urrutia | ... | (screenplay) |
| Federico De Urrutia | ... | (story) |
| Mario di Nardo | ... | (screenplay) |
| Mario di Nardo | ... | (story) |
Cast (in credits order)
| Dean Reed | ... | Alan Drake | |
| Alberto de Mendoza | ... | The Duke | |
| Annabella Incontrera | ... | Isabella | |
| Paca Gabaldón | ... | Margarita (as Mary Francis) | |
| Tomás Blanco | ... | Sir Hasley | |
| Florinda Chico | ... | Alicia | |
| Tito García | ... | Duby | |
 |
Paolo Gozlino | ... | Griego |
|
|
Pedro Luis Lozano | ||
| Sal Borgese | ... | Araña | |
|
|
Leslie Bailey | ||
|
|
José Luis Chinchilla | ||
| Rest of cast listed alphabetically: | |||
|
|
Adriano Cornelli | ||
|
|
Antonio De Martino | ||
Produced by
| Julián Esteban | ... | producer |
Music by
| Nico Fidenco | ||
Cinematography by
| Rafael Pacheco | ||
Editing by
| Eugenio Alabiso | ||
Stunts
| Sal Borgese | ... | stunt actor (uncredited) |
Additional Crew
| José Luis Baltanás | ... | voice dubbing (uncredited) |
| Ángel María Baltanás | ... | voice dubbing: Paolo Gozlino (uncredited) |
| Eduardo Calvo | ... | voice dubbing: Tomás Blanco (uncredited) |
| Juan Miguel Cuesta | ... | voice dubbing: Dean Reed (uncredited) |
| Manuel Guitián | ... | voice dubbing (uncredited) |
| Juan Logar | ... | voice dubbing: Sal Borgese (uncredited) |
| Josefina de Luna | ... | voice dubbing: Annabella Incontrera (uncredited) |
| José Moratalla | ... | voice dubbing (uncredited) |
| Fernando Nogueras | ... | voice dubbing (uncredited) |
| Claudio Rodríguez | ... | voice dubbing: Alberto de Mendoza (uncredited) |
| Ángel Ter | ... | voice dubbing: Tito García (uncredited) |
| Selica Torcal | ... | voice dubbing: Paca Gabaldón (uncredited) |
