Directed by
| Jesús Franco | ... | (as Jess Franco) |
Writing Credits
| Connie Grau | ... | (script) |
| Christine Lembach | ... | (dialogue) (as Christine Lambach) |
| Jesús Franco | ... | (screenplay) (as Jess Franco) |
Cast (in credits order) verified as complete
| Lina Romay | ... | Maria | |
| Paul Muller | ... | Dr. Moore / Carlos Costa (as Paul Müller) | |
| Monica Swinn | ... | Prison Director (as Monika Swinn) | |
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Roger Darton | ... | Governor Milton |
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Ronald Weiss | ... | Warden |
| Martine Stedil | ... | Bertha Contrini | |
| Eric Falk | ... | Guard Nestor | |
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Peggy Markoff | ... | Ingrid / Pompadour (as Peggy Markhoff) |
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Nathalie Mann | ||
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Denis Torre | ||
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Raymond Hardy | ... | Guard José (as Ray Hardy) |
| Beni Cardoso | ... | Rosaria Cortina | |
| Rest of cast listed alphabetically: | |||
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Frieda Altstadt | ... | (uncredited) |
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Madeleine Ammann | ... | (uncredited) |
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Nathalie Chape | ... | (uncredited) |
| Jesús Franco | ... | Maria's Father (uncredited) | |
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Lilliane Stollberger | ... | (uncredited) |
Produced by
| Erwin C. Dietrich | ... | producer |
Music by
| Walter Baumgartner | ||
| Daniel White | ... | (as Daniel J. White) |
Cinematography by
| Jesús Franco | ... | (as David Khunne) |
Editing by
| Peter Baumgartner | ||
| Marie-Luise Buschke | ... | (as Marie Louise Buschke) |
Second Unit Director or Assistant Director
| Gerald Cazal | ... | assistant director |
Sound Department
| Klaus Kunsemüller | ... | sound |
| Hubertus Schmandtke | ... | sound (as Hubertus Schmandke) |
Location Management
| Paul Grau | ... | location manager |
Additional Crew
| Peter Baumgartner | ... | dubbing director |