Where to stream

Monstrosity

3.519631h 5mNRMovieHorrorScience Fiction

A rich but unscrupulous old woman plots with a scientist to have her brain implanted in the skull of a sexy young woman.

DirectorJoseph V. Mascelli

WritersSue Dwiggins·Dean Dillman Jr.

ProducersDean Dillman Jr.·Jack Pollexfen

Where to watch

Amazon Prime Video

Amazon Prime Video

Amazon Prime Video with Ads

Amazon Prime Video with Ads

Availability shown for Canada · rights vary by country

Cast · Directed by Joseph V. Mascelli

Marjorie Eaton

Frank Gerstle

Frank Fowler

Erika Peters

Judy Bamber

Beatrice "Bea" Mullins

Lisa Lang

Margie Fisco

The Walking Corpse (uncredited)

Kemp Niver

Hans (uncredited)

Bradford Dillman

Bradford Dillman

Narrator (voice; uncredited)

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Monstrosity — streaming FAQ

Which OTT platform streams Monstrosity?

Monstrosity is streaming on Amazon Prime Video in Canada. It's not currently on Netflix.

Is Monstrosity on Netflix?

No, Monstrosity is not on Netflix in Canada as of August 2026. It's currently on Amazon Prime Video.

Is Monstrosity on Amazon Prime Video?

Yes — Monstrosity is included with an Amazon Prime Video subscription in Canada as of August 2026.

Where can I watch Monstrosity for free?

Monstrosity is available to stream free (with ads) on Hoopla and Artiflix in Canada.