Directed by
| Carlos Aured | ||
Writing Credits (in alphabetical order)
| Víctor Lafarque | ... | (screenplay) |
| Víctor Lafarque | ... | (story) |
| Rafael Marina | ... | (story) |
| Jesús Navarro Carrión | ... | (novel) (as Cliff Bradley) |
Cast (in credits order)
 |
Glen Lee | ... | Trant |
| Blanca Estrada | ... | Sue | |
|
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Julián Ugarte | ... | Parry |
| Maria Perschy | ... | Jill | |
| Rest of cast listed alphabetically: | |||
|
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Eduardo Bea | ... | Kitt |
|
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Manuel Calvo | ... | Toussaint |
|
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José Luis Chinchilla | ... | Clever |
| José Jaspe | ... | Sheriff | |
|
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Francisco Nieto | ... | Dr. Bilou |
| Alibe Parsons | ... | (as Alibe) | |
| Erasmo Pascual | |||
|
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Juan Sala | ... | Hall |
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Juan Antonio Soler | ... | Doctor |
Cinematography by
| Francisco Sánchez | ||
Editing by
| Javier Morán | ||
Makeup Department
| Miguel Sesé | ... | makeup artist |
Production Management
| Modesto Pérez Redondo | ... | production manager |
Additional Crew
| Eduardo Calvo | ... | voice dubbing: José Jaspe (uncredited) |
| María del Puy | ... | voice dubbing: Maria Perschy (uncredited) |
| José María del Río | ... | voice dubbing: Francisco Nieto/various (uncredited) |
| Pilar Gentil | ... | voice dubbing: Anne Marie (uncredited) |
| José Guardiola | ... | voice dubbing: Glen Lee (uncredited) |
| Delia Luna | ... | voice dubbing: Blanca Estrada (uncredited) |
| José Martínez Blanco | ... | voice dubbing (uncredited) |
| Fernando Mateo | ... | voice dubbing: various (uncredited) |
| José Moratalla | ... | voice dubbing: Eduardo Bea (uncredited) |
| Jesús Nieto | ... | voice dubbing: Juan Sala (uncredited) |
| Carlos Revilla | ... | voice dubbing: Julián Ugarte (uncredited) |
| Ángel Ter | ... | voice dubbing: José Luis Chinchilla (uncredited) |
| Joaquín Vidriales | ... | voice dubbing: Juan Antonio Soler (uncredited) |
