A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.
| Directing | James Cameron | Director |
| Production | Ovidio G. Assonitis | Executive Producer |
| Production | Jeff Schechtman | Producer |
| Production | Hisako Tsukuba | Producer |
| Sound | Stelvio Cipriani | Original Music Composer |
| Crew | Roberto D'Ettorre Piazzoli | Cinematography |
| Writing | James Cameron | Screenplay |
| Writing | Ovidio G. Assonitis | Screenplay |
| Writing | Charles H. Eglee | Screenplay |
| Art | Vincenzo Medusa | Art Direction |
| Editing | Roberto Silvi | Editor |
| Art | Stefano Paltrinieri | Art Direction |
| Art | Franco Vanorio | Art Direction |
| Costume & Make-Up | Nicoletta Ercole | Costume Design |
| Costume & Make-Up | Mirella De Rossi | Hairstylist |
| Costume & Make-Up | Maurizio Trani | Makeup Artist |
| Directing | Ruggero Salvadori | Assistant Director |
| Directing | Alessandro Vivarelli | Assistant Director |
| Art | Stephane Goulet | Property Master |
| Art | Ronnie Lombard | Greensman |
| Sound | Roberto Edwin Forrest | Boom Operator |
| Sound | Alessandro Peticca | Sound Editor |
| Visual Effects | Giannetto De Rossi | Special Effects Supervisor |
| Camera | Ennio Brizzolari | Key Grip |
| Camera | Gianni Caramanico | Still Photographer |
| Camera | Roberto Forges Davanzati | Underwater Camera |
| Camera | Roberto D'Ettorre Piazzoli | Underwater Director of Photography |
| Camera | Erich Heindl | Underwater Camera |
| Camera | Carlo Tafani | Camera Operator |
| Lighting | Gino Pasquallini | Electrician |
| Editing | Ada Grimaldi | Assistant Editor |
