Monstroid poster
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Monstroid

3.619801h 38mRMovieHorrorScience 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.

DirectorsHerbert L. Strock·Kenneth Hartford
WritersHerbert L. Strock·Walter Roeber Schmidt
ProducersKenneth Hartford·Garland Scott

Where to watch

FlixFlingFlixFlingIndiePix Unlimited Amazon ChannelIndiePix Unlimited Amazon ChannelFawesomeFawesomePlexPlexPlex ChannelPlex ChannelMometuMometuTubi TVTubi TV
Availability shown for United States · rights vary by country

Cast · Directed by Herbert L. Strock

JMJames Mitchum
James Mitchum
Travis
JCJohn Carradine
John Carradine
Priest
PCPhilip Carey
Philip Carey
Barnes
AEAnthony Eisley
Anthony Eisley
Pete
AH
Andrea Hartford
Andrea
GH
Glen Hartford
Glen
CK
Coral Kassel
Girl in Lake
HL
Hanna Landy
Mrs. Byrd
ASAldo Sambrell
Aldo Sambrell
MRMaría Rubio
María Rubio
CM
Carolyn Martin
LS
Luis Suárez

More from James Mitchum · Lead actor

The Ransom
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1977 · 6.5
In Harm's Way
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1965 · 6.6
Thunder Road
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1958 · 6.0
Two-Lane Blacktop
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Trackdown
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1976 · 5.7
Colorado Territory
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1949 · 7.0
Massacre At Grand Canyon
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1964 · 6.0
Moonrunners
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1975 · 4.9
The Last Movie
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1971 · 5.7
The Tramplers
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1965 · 6.4
See all fromJames Mitchum

More from John Carradine · Co-star actor

Bonanza
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1959 · 7.5
Wagon Train
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1957 · 6.6
Maverick
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1957 · 7.0
Love, American Style
Love, American Style
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Ironside
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1967 · 6.8
Have Gun, Will Travel
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Climax!
Climax!
1954 · 3.8
The Rifleman
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1958 · 7.1
Matinee Theater
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1955 · 5.3
The Alfred Hitchcock Hour
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See all fromJohn Carradine

More from Herbert L. Strock · Director

Maverick
Maverick
1957 · 7.0
Cheyenne
Cheyenne
1955 · 6.2
77 Sunset Strip
77 Sunset Strip
1958 · 7.2
Highway Patrol
Highway Patrol
1955 · 6.2
Bronco
Bronco
1958 · 6.0
Sea Hunt
Sea Hunt
1958 · 6.7
I Led Three Lives
I Led Three Lives
1953 · 8.0
Science Fiction Theatre
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1955 · 6.3
The Man Called X
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1956 · 10.0
Harbor Command
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1957 · 4.0
See all fromHerbert L. Strock

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Monstroid — streaming FAQ

Which OTT platform streams Monstroid?

Monstroid is streaming on FlixFling, IndiePix Unlimited and Fawesome in United States. It's not currently on Netflix.

Is Monstroid on Netflix?

No, Monstroid is not on Netflix in United States as of October 2026. It's currently on FlixFling and IndiePix Unlimited.

Is Monstroid on Amazon Prime Video?

No, Monstroid isn't on Amazon Prime Video in United States right now. It's on FlixFling and IndiePix Unlimited instead.

Where can I watch Monstroid for free?

Monstroid is available to stream free (with ads) on Fawesome and Plex in United States.

Is Monstroid based on a true story?

Yes — Monstroid is based on true events, dramatising real people and events (some details may be fictionalised for the screen).