He Knows You're Alone poster
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He Knows You're Alone

5.219801h 34mRMovieHorrorThriller

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.

DirectorArmand Mastroianni
WriterScotty Parker
ProducersGeorge Manasse·Edgar Lansbury

Where to watch

Availability shown for United States · rights vary by country

Cast · Directed by Armand Mastroianni

DSDon Scardino
Don Scardino
Marvin
COCaitlin O'Heaney
Caitlin O'Heaney
Amy Jensen
EKElizabeth Kemp
Elizabeth Kemp
Nancy
TR
Tom Rolfing
Ray Carlton
LALewis Arlt
Lewis Arlt
Det. Len Gamble
PPPatsy Pease
Patsy Pease
Joyce
JRJames Rebhorn
James Rebhorn
Prof. Carl Mason
THTom Hanks
Tom Hanks
Elliot
DBDana Barron
Dana Barron
Diana
JLJoseph Leon
Joseph Leon
Ralph the Tailor
PGPaul Gleason
Paul Gleason
Det. Frank Daley
JC
James Carroll
Phil

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More from Caitlin O'Heaney · Co-star actress

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More from Armand Mastroianni · Director

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See all fromArmand Mastroianni

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He Knows You're Alone — streaming FAQ

Which OTT platform streams He Knows You're Alone?

He Knows You're Alone isn't on any subscription service in United States right now, but you can rent or buy it on Amazon Video, Apple TV Store and Google Play Movies. It's not on Netflix.

Is He Knows You're Alone on Netflix?

No, He Knows You're Alone is not on Netflix in United States as of November 2026. You can rent or buy it on Amazon Video and Apple TV Store.

Is He Knows You're Alone on Amazon Prime Video?

He Knows You're Alone isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch He Knows You're Alone for free?

He Knows You're Alone isn't available free in United States; you can only rent or buy it on Amazon Video and Apple TV Store.