Trailer
Images
 | Michael Sopkiw as Peter |
 | Valentine Monnier as Dr. Stella Dickens |
 | Gianni Garko as Sheriff Gordon |
 | William Berger as Professor Donald West |
 | Iris Peynado as Sandra Hayes |
 | Lawrence Morgant as Dr. Davis Barker |
 | Cinzia de Ponti as Florinda |
 | Paulo Branco as Miller |
 | Dagmar Lassander as Sonja West |
| Darla N. Warner as Dr. Janet Bates |
 | Dino Conti as Dr. Bob Hogan |
 | Goffredo Unger as Fisherman / Victim |
| Production | |
| Mino Loy | Producer |
Writing | |
| Gianfranco Clerici | Screenplay |
| Hervé Piccini | Screenplay |
| Dardano Sacchetti | Screenplay |
Directing | |
| Lamberto Bava | Director |
Editing | |
| Roberto Sterbini | Editor |
Camera | |
| Giancarlo Ferrando | Director of Photography |
Art | |
| Massimo Antonello Geleng | Production Design |
Costume & Make-Up | |
| Massimo Antonello Geleng | Costume Design |
Crew | |
| Germano Natali | Special Effects |
Costume & Make-Up | |
| Giuseppe Ferranti | Makeup Artist |
Production | |
| Sergio Borelli | Production Manager |
Crew | |
| Bruno Mattei | Second Unit |
| Goffredo Unger | Second Unit |
Writing | |
| Sergio Martino | Story |
| Luigi Cozzi | Story |
Crew | |
| Lamberto Bava | Additional Writing |
Sound | |
| Fabio Frizzi | Original Music Composer |
