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The Sea Serpent (1984)
"Serpiente de mar" (original title)

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Ratings: 3.3/10 from 198 users  
Reviews: 12 user | 11 critic

A serpent, created by radioactivity, threatens a Spanish coastal town.


(as Gregory Greens)


(story), (screenplay)
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Title: The Sea Serpent (1984)

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Cast overview, first billed only:
Pedro Fontán
Taryn Power ...
Profesor Timothy Wallace
Gérard Tichy
Carole James ...
Jack Taylor ...
Víctor Israel ...
Miguel de Grandy
José Canalejas
Paul Benson
León Klimovsky ...
Dr. Moore
Eduardo Bea
Teresa del Olmo
Alicia González


A nuclear detonation in the Atlantic re-animates a prehistoric sea monster. The creature terrorizes the Spanish coastline, attacking swimmers, boats and lighthouses without mercy. A sea captain whose ship was sunk by the monster and an American tourist whose best friend was killed by the beast team up to stop the monster, along with the help of respected oceanographer (Ray Milland). Written by Jeremy Lunt <>

Plot Summary | Add Synopsis


Adventure | Horror


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Release Date:

November 1987 (West Germany)  »

Also Known As:

Hydra  »

Filming Locations:

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Did You Know?


This film was Ray Milland's last theatrical feature. See more »


American air force men in Mission Control are wearing leather jackets and jeans instead of uniforms. See more »


Referenced in Amando de Ossorio: el último templario (2001) See more »

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User Reviews

Hello coast guard, we are under attack by a sock puppet!
3 June 2003 | by (Vancouver, Canada) – See all my reviews

Just when you thought movies had stopped blaming nuclear radiation for evrything along comes this movie from Amando De Ossorio. Taking a break from the "Blind Dead" series Senior De Ossorio offers us science fiction with a touch of Cold War propaganda. An Air Force jet carrying a new type of atomic bomb is forced to jettison it in the Pacific. It explodes on contact (don't you HATE when that happens?) and quicker than you can say "Horror of Party Beach" a tiny fish mutates into the title character. He is a fearsome sight, huge white eyes, rudimentary wings, sharp teeth; he is as realistic looking as REPTILICUS . . .and that should tell you how realistic looking he is! Peoples reaction to hearing about the sea monster are pretty much the way people would really react. One man (Timothy Bottoms) loses his captains license when he reports his ship being sunk and his crew eaten alive. A woman (Taryn Power) who saw her best friend devoured, is put into a mental hospital! The two form an alliance (which in true tradition of movies turns into love) to prove the beast exists and talk a crotchety old professor (Ray Milland in his next to last role) into joining them. Watch for director Leon Klimovsky (VAMPIRES NIGHT ORGY) playing a Naval officer at a court martial. Actor Victor Israel (LA RESIDENCIA) shows up as a drunken night watchman long enough to get eaten. The action is great but don't expect eye popping special effects; miniatures are well done but obvious. The scene of the beast attacking a railroad bridge is still quite good, low budget or not. This is the sort of movie we used to go see on Saturday afternoon. Heat up some popcorn and watch this on a double bill with THE CRATER LAKE MONSTER and you will certainly have fun.

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