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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 TVPlexPlexCineverseCineverse
Availability shown for Canada · 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

One Step Beyond
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BBC Play of the Month
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1965 · 5.2
The Saint
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No Hiding Place
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1967 · 7.0
Thunderbirds
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1965 · 7.6
Theatre 625
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1964 · 7.2
The Sweeney
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1975 · 8.1
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More from Jane Hylton · Co-star actress

Interpol Calling
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Richard the Lionheart
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1962 · 9.0
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1963 · 7.2
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1952 · 6.5
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More from George P. Breakston · Director

Geisha Girl
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1952 · 6.5
Jungle Stampede
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1950 · 10.0
Urubu
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1948 · 10.0
The Boy Cried Murder
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1966 · 6.0
Shadow of Treason
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1963 · 5.2
Escape in the Sun
Escape in the Sun
1956 · 10.0
Woman and the Hunter
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1957 · 8.0
The Scarlet Spear
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1954 · 6.5
The Soldier
The Soldier
1966 · 8.0
Golden Ivory
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1954 · 6.0
See all fromGeorge P. Breakston

More like this

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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 Canada. It's not currently on Netflix.

Is The Manster on Netflix?

No, The Manster is not on Netflix in Canada 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 Canada 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 Canada.