Terror Beyond Belief!
A razor-wielding serial killer is on the loose, murdering those around Peter Neal, an American mystery author in Italy to promote his newest novel.
TMDB audience score
Based on 726 votes
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Availability in the US
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United States listings · Refreshed 13 Oct 2026. More horror to watch in the US
MyCinema quick facts
Worked out from the film's TMDB record and its United States provider listings. These are facts about the data, not a review.
Standard length · 1h 41m
At 1h 41m it sits between 90 minutes and two hours.
Horror · Mystery · Thriller
TMDB files it under horror, mystery, and thriller.
14 subscriptions · 9 free · 3 to rent · 2 to buy
Included with 14 subscription services: Amazon Prime Video, AMC+ Amazon Channel, AMC+ Roku Premium Channel, and 11 more. Free or ad-supported on Kanopy, Hoopla, Darkroom, and 6 more. Listed to rent from 3 stores. Listed to buy from 2 stores.
6.8 / 10 on TMDB
TMDB users rate it 6.8 out of 10 across 726 votes, a positive audience score. That is a moderate sample of voters.
The scare meter is MyCinema's own rating, given by a person who has watched the film. It is not a TMDB score.
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Horror and thrillers that TMDB recommends alongside this film.
Deep Red
1975, 2h 7m
An English pianist living in Rome witnesses the brutal murder of his psychic neighbor. With the help of a tenacious young reporter, he tries to discover the killer using very unconventional methods. The two are soon drawn into a shocking web of dementia and violence.
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