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Monstroid · Movie Vault
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Monstroid

19801h 38m3.6/ 10 · TMDB · 19 votes
HorrorScience Fiction

A rural Colombian village is attacked by a horrible sea serpent, aroused by industrial pollution of a nearby lake. Based on a real event that took place in June of 1971.

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Directed by Kenneth Hartford, Herbert L. Strock

Our screenings

A
Ansh Kapoor

No screenings recorded

Unwatched

The people behind the story

James Mitchum
James Mitchum

Travis

John Carradine
John Carradine

Priest

Philip Carey
Philip Carey

Barnes

Anthony Eisley
Anthony Eisley

Pete

Andrea Hartford

Andrea

Glen Hartford

Glen

Coral Kassel

Girl in Lake

Hanna Landy

Mrs. Byrd

Aldo Sambrell
Aldo Sambrell

Cast

Where to watch

With ads

Plex logoPlex
Plex Channel logoPlex Channel

Last checked 9 Oct 2026.

Check listings

Availability data by JustWatch via TMDB. Confirm availability with the service.

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Film details

Released11 Jul 1980
Original languageEnglish
CountriesUnited States of America
View on TMDB
María Rubio
María Rubio

Cast

Carolyn Martin

Cast

Luis Suárez

Cast