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The Manster

4.719591h 13mMovieHorrorScience Fiction

An American journalist stationed in Japan is given a mysterious injection by a mad scientist, turning him into a murderous, two-headed monster.

DirectorsGeorge P. Breakston·Kenneth G. Crane
WritersGeorge P. Breakston·William J. Sheldon
ProducersWilliam Shelton·George P. Breakston

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with AdsArtiflixArtiflixJustWatch TVJustWatch TVTubi TVTubi TVAmazon Prime Video Free with AdsAmazon Prime Video Free with AdsPlexPlex
Availability shown for United Kingdom · rights vary by country

Cast · Directed by George P. Breakston

PDPeter Dyneley
Peter Dyneley
Larry Stanford
JHJane Hylton
Jane Hylton
Linda Stanford
TNTetsu Nakamura
Tetsu Nakamura
Dr. Robert Suzuki
TZTerri Zimmern
Terri Zimmern
Tara
NH
Norman Van Hawley
Ian Matthews
JIJerry Itō
Jerry Itō
Police Supt. Aida
TT
Toyoko Takechi
Emiko Suzuki
AT
Alan Tarlton
Dr. H.B. Jennsen
FS
Fujie Satsuki
Old woman in hotel

More from Peter Dyneley · Lead actor

The Saint
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1962 · 7.4
BBC Play of the Month
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One Step Beyond
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More from Jane Hylton · Co-star actress

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More from George P. Breakston · Director

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1952 · 6.5
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1950 · 10.0
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1954 · 6.5
The Soldier
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1966 · 8.0
Woman and the Hunter
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1957 · 8.0
Escape in the Sun
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1956 · 10.0
Golden Ivory
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1954 · 6.0
See all fromGeorge P. Breakston

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The Manster — streaming FAQ

Which OTT platform streams The Manster?

The Manster is streaming on Amazon Prime Video, Artiflix and JustWatch TV in United Kingdom, and available to rent or buy on Amazon Video. It's not currently on Netflix.

Is The Manster on Netflix?

No, The Manster is not on Netflix in United Kingdom as of September 2026. It's currently on Amazon Prime Video and Artiflix.

Is The Manster on Amazon Prime Video?

Yes — The Manster is included with an Amazon Prime Video subscription in United Kingdom as of September 2026.

Where can I watch The Manster for free?

The Manster is available to stream free (with ads) on JustWatch TV and Tubi TV in United Kingdom.