Directed by
| Jesús Franco | ||
Writing Credits (in alphabetical order)
| Jesús Franco | ... | (screenplay) |
| Jesús Franco | ... | (story) |
Cast (in credits order) complete, awaiting verification
| Howard Vernon | ... | Dr. Orloff | |
| Antonio Mayans | ... | Alfred Orloff (as Robert Foster) | |
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Rocío Freixas | ... | Melissa Orloff / Muriel |
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Tony Skios | ... | Inspector Mario Tanner |
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Rafael Cayetano | ... | Andros (as Raf Smog) |
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Juan Soler | ... | Malou (as Juan Cozar) |
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Ángel Ordiales | ... | Perico (as Teo Santander) |
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Maria Paz Uceda | ... | (as Tina Page) |
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Maria Amor Olmo | ... | (as Mery Olsen) |
| Rest of cast listed alphabetically: | |||
| Jesús Franco | ... | Agapito (uncredited) | |
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Rafael Izurquiza | ... | Vagabundo (uncredited) |
| Lina Romay | ... | Mujer del gatito de angora (voice) (uncredited) | |
Music by
| Jesús Franco | ... | (as Pablo Villa) |
Cinematography by
| Juan Soler | ||
Additional Crew
| Benjamín Domingo | ... | voice dubbing: Howard Vernon (uncredited) |
| Luis Marín | ... | voice dubbing: Ángel Ordiales (uncredited) |
| Manuel Peiró | ... | voice dubbing: Tony Skios (uncredited) |
| Antonio Requena | ... | voice dubbing (uncredited) |
