A marine biologist, a dolphin trainer, a research scientist, and a local sheriff try to hunt down a large sea monster, a shark/octopus hybrid, that is devouring swimmers and fishermen off a south Florida coast.
| Production | Mino Loy | Producer |
| Writing | Dardano Sacchetti | Screenplay |
| Art | Massimo Antonello Geleng | Production Design |
| Directing | Lamberto Bava | Director |
| Production | Sergio Borelli | Production Manager |
| Costume & Make-Up | Massimo Antonello Geleng | Costume Design |
| Writing | Sergio Martino | Story |
| Costume & Make-Up | Giuseppe Ferranti | Makeup Artist |
| Camera | Giancarlo Ferrando | Director of Photography |
| Writing | Hervé Piccini | Screenplay |
| Crew | Bruno Mattei | Second Unit |
| Crew | Goffredo Unger | Second Unit |
| Writing | Luigi Cozzi | Story |
| Crew | Germano Natali | Special Effects |
| Writing | Gianfranco Clerici | Screenplay |
| Editing | Roberto Sterbini | Editor |
| Sound | Fabio Frizzi | Original Music Composer |
| Crew | Lamberto Bava | Additional Writing |
