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John Merivale as Dr. John Fielding |
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Didi Sullivan as Ellen Fielding |
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Gérard Herter as Max Gunther |
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Daniela Rocca as Linda |
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Vittorio André as Prof. Rodriguez |
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Daniele Vargas as Bob |
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Nerio Bernardi as Police Inspector |
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Giacomo Rossi Stuart as Prof. Rodriguez's Assistant |
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Gail Pearl as Indian Dancer |
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Tom Felleghy as Astronomo |
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Arturo Dominici as Nieto |
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Mario Bava as Mexican at police station (uncredited) |
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Renzo Palmer as Narrator (voice) |
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Leslie Daniels as Prof. John Fielding (voice) |
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Renato De Carmine as Prof. John Fielding (voice) |
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Stefano Sibaldi as Max Gunther (voice) |
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Michele Malaspina as Prof. Rodriguez (voice) |
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Rolf Tasna as Bob (voice) |
| Camera | Mario Bava | Director of Photography |
| Writing | Filippo Sanjust | Writer |
| Crew | Mario Bava | Special Effects |
| Production | Sam Schneider | Producer |
| Production | Bruno Vailati | Producer |
| Editing | Salvatore Billitteri | Editor |
| Sound | Roberto Nicolosi | Original Music Composer |
| Directing | Riccardo Freda | Director |
| Editing | Mario Serandrei | Editor |
| Directing | Mario Bava | Co-Director |
| Sound | Roman Vlad | Original Music Composer |
| Production | Lionello Santi | Executive Producer |
| Sound | Carlo Rustichelli | Sound Effects |
| Sound | Maurice Rosenblum | Sound Recordist |
| Lighting | Antonio Rinaldi | Gaffer |
| Production | Massimo De Rita | Production Manager |
| Writing | Riccardo Freda | Writer |
| Directing | Odoardo Fiory | Assistant Director |
| Costume & Make-Up | Filippo Sanjust | Costume Design |
