Diepzeeduikers stuiten op een wrak van Russische oorsprong en nemen de gevaarlijke vracht mee naar hun basis op de oceaan bodem. De gevolgen laten zich raden wanneer een genetische mutant de basis als jachtgebied gaat gebruiken.
Nee, helaas is Leviathan nog niet beschikbaar op Netflix in Nederland.
| Directing | George P. Cosmatos | Director |
| Visual Effects | Jon Curtis Price | Creature Design |
| Production | Lawrence Gordon | Executive Producer |
| Writing | David Webb Peoples | Story |
| Sound | Jerry Goldsmith | Original Music Composer |
| Writing | Jeb Stuart | Screenplay |
| Production | Charles Gordon | Executive Producer |
| Production | Aurelio De Laurentiis | Producer |
| Editing | John F. Burnett | Editor |
| Writing | David Webb Peoples | Screenplay |
| Editing | Roberto Silvi | Editor |
| Camera | Alex Thomson | Director of Photography |
| Production | Luigi De Laurentiis | Producer |
| Costume & Make-Up | Yvonne Zarb Cousin | Costumer |
| Editing | Richard Leeman | First Assistant Editor |
| Costume & Make-Up | Augusto Grassi | Costumer |
| Camera | Tony Cridlin | Grip |
| Sound | Nancy Beach | Orchestrator |
| Sound | Arthur Morton | Orchestrator |
| Camera | Phil Barthropp | Underwater Camera |
| Costume & Make-Up | Katalin Elek | Makeup Artist |
| Directing | Kuki López Rodero | First Assistant Director |
| Editing | Gillian L. Hutshing | Assistant Editor |
| Editing | Aldo Manni | Negative Cutter |
| Costume & Make-Up | Marina Marin | Assistant Hairstylist |
| Directing | David Turchi | Second Assistant Director |
| Sound | Michael Dittrick | Music Editor |
| Camera | Mike Valentine | Underwater Camera |
| Costume & Make-Up | Aldo Signoretti | Key Hair Stylist |
| Costume & Make-Up | John Rosengrant | Special Effects Makeup Artist |
| Sound | Jerry Goldsmith | Conductor |
| Camera | Federico Del Zoppo | Additional Photography |
| Directing | Marco Alberti | Second Second Assistant Director |
| Crew | Giuseppe Maccari | Cinematography |
| Camera | Ramón Bravo | Underwater Camera |
| Costume & Make-Up | Zoltan Elek | Key Makeup Artist |
| Camera | Ernesto Natoli | Assistant Camera |
| Lighting | Fabio Scepi | Electrician |
| Sound | Kenneth Hall | Supervising Music Editor |
| Directing | Luca Lachin | Second Assistant Director |
| Costume & Make-Up | Bruce Barlow | Special Effects Makeup Artist |
| Directing | Matt Earl Beesley | First Assistant Director |
| Art | Ron Cobb | Production Design |
| Art | Pier Luigi Basile | Supervising Art Director |
| Directing | Ceri Evans | Script Supervisor |
| Art | David F. Klassen | Art Direction |
| Crew | Giorgio De Vincenzo | Post Production Supervisor |
| Art | Bruno Cesari | Set Decoration |
| Production | Jane Feinberg | Casting |
| Production | Mike Fenton | Casting |
| Art | Franco Ceraolo | Art Direction |
| Costume & Make-Up | April Ferry | Costume Design |
| Art | Maria Teresa Barbasso | Set Designer |
| Art | Robert Gould | Set Decoration |
| Production | Lynda Gordon | Casting |
| Production | Roberto Malerba | Location Manager |
| Production | Gabriella Toro | Production Coordinator |
| Art | William Ladd Skinner | Supervising Art Director |
| Art | Marco Trentini | Set Designer |
| Production | Lucio Trentini | Production Supervisor |
| Sound | Robin Gregory | Sound Mixer |
