The Sea Serpent poster
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The Sea Serpent

5.319851h 31mMovieScience FictionHorror

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

DirectorAmando de Ossorio
WriterAmando de Ossorio
ProducerJosé Frade

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The Sea Serpent was released on April 26, 1985 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Amando de Ossorio

TBTimothy Bottoms
Timothy Bottoms
Pedro Fontán
TPTaryn Power
Taryn Power
Margaret
JMJared Martin
Jared Martin
First Mate Lemaris
RMRay Milland
Ray Milland
Professor Timothy Wallace
GTGérard Tichy
Gérard Tichy
CJCarole James
Carole James
Jill
JTJack Taylor
Jack Taylor
Hospital Killer
LKLeón Klimovsky
León Klimovsky
Dr. Moore
CBCharly Bravo
Charly Bravo
VIVíctor Israel
Víctor Israel
Porto, Night Watchman
PAPilar Alcón
Pilar Alcón
Nurse (as Diana Eagle)
JCJosé Canalejas
José Canalejas

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The Sea Serpent — streaming FAQ

Which OTT platform streams The Sea Serpent?

The Sea Serpent isn't streaming anywhere in United States yet.

Is The Sea Serpent on Netflix?

No, The Sea Serpent is not on Netflix in United States as of September 2026.

Is The Sea Serpent on Amazon Prime Video?

No, The Sea Serpent isn't on Amazon Prime Video in United States right now.

Where can I watch The Sea Serpent for free?

The Sea Serpent isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for The Sea Serpent?

The Sea Serpent hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around June 14, 1985. This is a prediction, not a confirmed date.