

He Knows You're Alone
1980, English. Directed by Armand Mastroianni.
Every girl is frightened the night before her wedding. But this time...there's good reason!
A reluctant bride-to-be is stalked by a serial killer who only kills brides and the people around them. While her friends get whacked one by one, a hard-boiled renegade cop whose bride had been killed years before tries to hunt the killer down before it is too late.
- Runtime
- 1h 34m
- Post-credits
- None listed
- Language
- English
- Rated
- R
Start now and it ends at ….
Snoozefest
Your time is worth more.
5.2/10 from 80 TMDB viewer ratings.
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Where to watch He Knows You're Alone
He Knows You're Alone isn’t on a subscription OTT platform in India, but you can rent it online.
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Availability in India as of 10 November 2026. Streaming data by JustWatch.
Cast & crew
Details
- Released
- 29 August 1980
- Country
- United States of America
- Written by
- Scotty Parker
- Budget
- $300K
- Box office
- $4.9M
Check ratings elsewhere
News & fan talk
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He Knows You're Alone: quick answers
Is He Knows You're Alone worth watching?
Our verdict is Snoozefest: Your time is worth more. It scores 5.2/10 from 80 TMDB viewer ratings.
How long is He Knows You're Alone?
He Knows You're Alone runs 94 minutes (1h 34m).
Does He Knows You're Alone have a post-credits scene?
None is listed for He Knows You're Alone. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
He Knows You're Alone parents guide: is it suitable for kids?
He Knows You're Alone is rated R in India. Check the rating guidance before watching with young children.
Which OTT platform is He Knows You're Alone on?
He Knows You're Alone isn’t on a subscription OTT platform in India, but you can rent it online. (Checked 10 November 2026.)
What movies are like He Knows You're Alone?
If you liked He Knows You're Alone, try The Prowler, Halloween, Dressed to Kill.
Who directed He Knows You're Alone?
He Knows You're Alone (1980) was directed by Armand Mastroianni and stars Don Scardino, Caitlin O'Heaney, Elizabeth Kemp.