Directed by
| Jean Rollin | ... | (as J.A. Laser) |
| Julian de Laserna | ... | (uncredited) |
Writing Credits (in alphabetical order)
| Julián Esteban | ... | (story) (as Julius Valery) |
| Jesús Franco | ... | (as A.L. Mariaux) |
Cast (in credits order) verified as complete
| Howard Vernon | ... | The Mayor | |
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Pierre-Marie Escourrou | ... | German Soldier (as Pierre Escourrou) |
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Anouchka | ... | Helena |
| Antonio Mayans | ... | One-Eyed Zombie (as Robert Foster) | |
| Nadine Pascal | ... | Helena's Mother (as Nadine Pascale) | |
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Youri Radionow | ... | Chanac (as Youri Rad) |
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Bertrand Altmann | ... | Inspector Morane (as Burt Altman) |
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Gilda Arancio | ... | Blonde Girl Swimmer |
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Marcia Sharif | ... | Katya Moore |
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Yvonne Dany | ... | Helena's Caretaker (as Yvonne Dani) |
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Jean-René Bleu | ||
| Jean Rollin | ... | Inspector Spitz | |
| Rest of cast listed alphabetically: | |||
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Edmond Besnard | ... | Promizoulin (uncredited) |
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René Douglas | ... | (uncredited) |
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Julián Esteban | ... | (uncredited) |
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Alain Petit | ... | (uncredited) |
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Jean Roville | ... | (uncredited) |
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Claude Sendron | ... | (uncredited) |
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Pascale Vital | ... | First Girl at the Lake (uncredited) |
Produced by
| Daniel Lesoeur | ... | associate producer |
| Marius Lesoeur | ... | producer |
| Sean Warner | ... | co-producer |
| Daniel White | ... | producer |
Music by
| Daniel White | ||
Cinematography by
| Max Monteillet | ||
Editing by
| Claude Gros | ||
| María Luisa Soriano | ||
Makeup Department
| Christiane Sauvage | ... | makeup artist |
Special Effects by
| Michael Nizza | ... | special effects |
Camera and Electrical Department
| Henri-Jean Alliet | ... | underwater photographer |
Script and Continuity Department
| Ilona Kunesova | ... | script supervisor |
