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José Manuel Marcos as Dick Sand |
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Edmund Purdom as Admiral Marlowe |
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Marc Cassot as Captain Hull |
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Doris Thomas as Clara Marlowe |
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Howard Vernon as Korda |
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Armand Mestral as Harris |
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William Berger as Negoro |
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Fernando Bilbao as Hercules |
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Sergio Mendizábal as Benedict |
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Luis Barboo as Sailor |
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Alberto Dalbés as Vargas |
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Marisol Delgado as Clara's maid |
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Gonzalo Cañas as Bat |
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Perrette Pradier as Clara Marlowe (voice) (uncredited) |
| Directing | Jess Franco | Director |
| Writing | José Antonio Arévalo | Writer |
| Writing | Gonzalo Cañas | Writer |
| Writing | Jess Franco | Writer |
| Writing | Jules Verne | Novel |
| Production | Robert de Nesle | Producer |
| Production | Arturo Marcos | Executive Producer |
| Sound | Jess Franco | Music |
| Sound | Bruno Nicolai | Music |
| Sound | René Sylviano | Music |
| Sound | Daniel White | Music |
| Editing | Roberto Fandiño | Editor |
| Camera | Howard Vernon | Still Photographer |
| Camera | Paul Souvestre | Director of Photography |
