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Robert Kerman as Mark Butler |
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Janet Agren as Sheila Morris |
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Mel Ferrer as Professor Carter |
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Ivan Rassimov as Jonas Melvyn |
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Paola Senatore as Diana Morris |
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Me Me Lai as Mowara |
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Fiamma Maglione as Alma |
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Franco Fantasia as Brother Reeves |
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Franco Coduti as Keran |
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Jake Teague as Inspector Logan |
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Gerald Grant as Lt. Creal |
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Carlo Longhi as Dick |
| Camera | Federico Zanni | Director of Photography |
| Directing | Umberto Lenzi | Director |
| Editing | Eugenio Alabiso | Editor |
| Sound | Roberto Donati | Original Music Composer |
| Sound | Fiamma Maglione | Original Music Composer |
| Production | Luciano Martino | Producer |
| Writing | Umberto Lenzi | Screenplay |
| Production | Mino Loy | Producer |
| Directing | Franco Fantasia | Assistant Director |
| Writing | Umberto Lenzi | Story |
| Sound | Bruno Moreal | Sound Mixer |
| Art | Massimo Antonello Geleng | Production Design |
| Costume & Make-Up | Massimo Antonello Geleng | Costume Design |
| Costume & Make-Up | Raul Ranieri | Makeup Artist |
| Sound | Massimo Mariani | Sound Engineer |
| Production | Evi Farinelli | Unit Manager |
| Production | Franco Coduti | Unit Manager |
| Camera | Gianni Maddaleni | Camera Operator |
| Production | Franco Galizi | Production Secretary |
| Camera | Mario Pastorini | Assistant Camera |
| Editing | Teresa Negozio | Assistant Editor |
| Editing | Brigida Mastrolillo | Assistant Editor |
| Camera | Giancarlo Serravalli | Key Grip |
| Crew | Paolo Ricci | Special Effects |
