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The Giant Behemoth

5.819591h 20mNRMovieScience FictionHorror

Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which threatens London.

DirectorEugène Lourié
WritersRobert Abel·Eugène Lourié
ProducersTed Lloyd·David Diamond

Where to watch

PlexPlexPlex ChannelPlex ChannelCineverseCineverse
Availability shown for United States · rights vary by country

Cast · Directed by Eugène Lourié

GEGene Evans
Gene Evans
Steve Karnes
AMAndré Morell
André Morell
Prof. James Bickford
LMLeigh Madison
Leigh Madison
Jean Trevethan
JTJohn Turner
John Turner
John
AHAlastair Hunter
Alastair Hunter
Dr. C. A. Morris, the village doctor
LLLloyd Lamble
Lloyd Lamble
Senior Admiral, at the Admiralty
JMJack MacGowran
Jack MacGowran
Dr. Sampson, the paleontologist
MKMaurice Kaufmann
Maurice Kaufmann
Mini Submarine Officer
HVHenri Vidon
Henri Vidon
Tom Trevethan
PJPatrick Jordan
Patrick Jordan
Photo Lab Aide
HL
Howard Lang
Naval Commader, at the "Valkyrie" wreck (uncredited)
LSLeonard Sachs
Leonard Sachs
Dialogue Scientist at Conference (bit)

More from Gene Evans · Lead actor

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More from André Morell · Co-star actor

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One Step Beyond
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The Lord of the Rings
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1978 · 6.6
Sunday Night Theatre
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1950 · 3.5
See all fromAndré Morell

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The Giant Behemoth — streaming FAQ

Which OTT platform streams The Giant Behemoth?

The Giant Behemoth is streaming on Plex, Plex Channel and Cineverse in United States, and available to rent or buy on Amazon Video and Apple TV Store. It's not currently on Netflix.

Is The Giant Behemoth on Netflix?

No, The Giant Behemoth is not on Netflix in United States as of October 2026. It's currently on Plex and Plex Channel.

Is The Giant Behemoth on Amazon Prime Video?

The Giant Behemoth isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch The Giant Behemoth for free?

The Giant Behemoth is available to stream free (with ads) on Plex and Plex Channel in United States.