Een reusachtig monster wordt in zijn slaap gestoord als er in zijn buurt radioactief afval wordt gestort. Het beest is eveneens radioactief en het leger probeert hem met alle mogelijke middelen te stoppen voor hij heel Engeland besmet
Nee, helaas is Behemoth, the Sea Monster nog niet beschikbaar op Netflix in Nederland.
| Directing | Douglas Hickox | Director |
| Directing | Eugène Lourié | Director |
| Writing | Eugène Lourié | Screenplay |
| Writing | Daniel James | Screenplay |
| Writing | Robert Abel | Story |
| Writing | Alan J. Adler | Story |
| Production | David Diamond | Producer |
| Production | Ted Lloyd | Producer |
| Sound | Edwin Astley | Original Music Composer |
| Camera | Ken Hodges | Director of Photography |
| Editing | Lee Doig | Editor |
| Art | Eugène Lourié | Production Design |
| Art | Harry White | Art Direction |
| Crew | Irving Block | Special Effects |
| Crew | Louis DeWitt | Special Effects |
| Crew | Willis H. O'Brien | Special Effects |
| Crew | Pete Peterson | Special Effects |
| Crew | Jack Rabin | Special Effects |
| Camera | Desmond Davis | Camera Operator |
| Sound | Richard Marden | Sound Editor |
| Costume & Make-Up | Bernadette Ibbetson | Hairstylist |
| Costume & Make-Up | Jimmy Evans | Makeup Artist |
| Directing | Kim Mills | First Assistant Director |
| Production | Jacques de Lane Lea | Production Manager |
| Directing | Jennifer Herrinshaw | Continuity |
| Sound | Sid Wiles | Sound |
| Costume & Make-Up | Freda Gibson | Wardrobe Master |
| Sound | Edwin Astley | Conductor |
| Visual Effects | Willis H. O'Brien | Visual Effects |