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Robert Forster as Madero |
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George Kennedy as Wilson |
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Fernando Rey as Ramos |
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Ramon Estevez as Andres (as Ramon Sheen) |
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Silvia Tortosa as Linda Wilson |
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Craig Hill as Jonathan Perry |
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Brett Halsey as Luis |
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Teri Vallee as Anita Wilson (as Terry Vallee) |
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Daniel Grimm as Antonio (as Harrison Grimm) |
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Lina Romay as Hotelier |
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Jean-Pierre Delamour as Captain |
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Antonio Mayans as Priest |
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Daniel Katz as |
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Jesús Franco as Boat Captain |
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Robert Long as |
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Emilio Lisbona as |
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Edgardo Hernán as (as Ed Herman) |
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Ramón L. Mora as Soldier (uncredited) |
| Writing | H.L. Rostaine | Writer |
| Directing | Jesús Franco | Director |
| Writing | Daniel Lesoeur | Writer |
| Writing | Jesús Franco | Writer |
| Production | Jesús Franco | Producer |
| Editing | Lina Romay | Editor |
| Sound | Luis Bacalov | Original Music Composer |
| Camera | Henry Frogers | Director of Photography |
| Sound | Licio Marcos de Oliveira | Sound Mixer |
| Crew | Félix Sepúlveda | Special Effects |
| Production | Ángel Mora | Production Assistant |
