 | Robert Kerman als Mark Butler |
 | Janet Ågren als Sheila Morris |
 | Mel Ferrer als Professor Carter |
 | Ivan Rassimov als Jonas Melvyn |
 | Paola Senatore als Diana Morris |
 | Me Me Lai als Mowara |
 | Fiamma Maglione als Alma |
 | Franco Fantasia als Brother Reeves |
| Franco Coduti als Keran |
 | Jake Teague als Inspector Logan |
| Gerald Grant als Lt. Creal |
| Carlo Longhi als Dick |
| Federico Zanni | Director of Photography |
| Eugenio Alabiso | Editor |
| Umberto Lenzi | Screenplay |
| Mino Loy | Producer |
| Luciano Martino | Producer |
| Fiamma Maglione | Original Music Composer |
| Umberto Lenzi | Director |
| Roberto Donati | Original Music Composer |
| Franco Fantasia | Assistant Director |
| Umberto Lenzi | Story |
| Bruno Moreal | Sound Mixer |
| Raul Ranieri | Makeup Artist |
| Massimo Antonello Geleng | Costume Design |
| Massimo Mariani | Sound Engineer |
| Massimo Antonello Geleng | Production Design |
| Evi Farinelli | Unit Manager |
