Movie

He Knows You're Alone

“Every girl is frightened the night before her wedding. But this time...there's good reason!”

★ 5.2(78)19801h 34m

He Knows You're Alone isn't available to stream, rent or buy in Hong Kong right now. Availability changes often, so check back soon. Availability checked 22 July 2026.

Where to watch He Knows You're Alone

🇭🇰 Hong Kong

No streaming, rental or purchase options are listed in Hong Kong right now. Availability changes often — try switching your region in the header.

Streaming in other regions

🇦🇺 AU🇨🇦 CA🇩🇰 DK🇪🇸 ES🇫🇮 FI🇬🇧 GB🇬🇬 GG🇮🇳 IN🇳🇴 NO🇸🇪 SE🇺🇸 US

Good to know

Director: Armand Mastroianni
Release date: 1980-08-29
Runtime: 1h 34m
Language: English
Box office: $4,900,000
Budget: $300,000
Status: Released
Country: United States of America
Studio: Metro-Goldwyn-Mayer

He Knows You're Alone — trailer

About He Knows You're Alone

He Knows You're Alone is a 1980 movie in the Horror and Thriller genres, directed by Armand Mastroianni, starring Don Scardino, Caitlin O'Heaney and Elizabeth Kemp. It has a runtime of 1 hour 34 minutes. It holds an average rating of 5.2/10 from 78 viewers. Below you can see where to watch He Knows You're Alone in Hong Kong — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

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.

Cast

Don Scardino

Marvin

Caitlin O'Heaney

Amy Jensen

Elizabeth Kemp

Nancy

Tom Rolfing

Ray Carlton

Lewis Arlt

Det. Len Gamble

Patsy Pease

Joyce

James Rebhorn

Prof. Carl Mason

Tom Hanks

Elliot

Dana Barron

Diana

Joseph Leon

Ralph the Tailor

Paul Gleason

Det. Frank Daley

James Carroll

Phil

Themes & keywords

insanitydetectiveshowerblackoutbridestalkermurderurban legenddecapitationserial killermaniacstrippingpsycho killerfunhousedance studio

Frequently asked questions

Where can I watch He Knows You're Alone in Hong Kong?+

He Knows You're Alone is not currently listed on any streaming, rental or purchase service in Hong Kong. Availability changes often, so check back or switch your region.

Is He Knows You're Alone on Netflix?+

He Knows You're Alone is not on Netflix in Hong Kong right now.

How long is He Knows You're Alone?+

He Knows You're Alone has a runtime of 1 hour 34 minutes (94 minutes).

Who stars in He Knows You're Alone?+

He Knows You're Alone stars Don Scardino, Caitlin O'Heaney, Elizabeth Kemp, Tom Rolfing and Lewis Arlt.

When did He Knows You're Alone come out?+

He Knows You're Alone is a 1980 movie directed by Armand Mastroianni.

What genre is He Knows You're Alone?+

He Knows You're Alone is Horror and Thriller film.

Who directed He Knows You're Alone?+

He Knows You're Alone was directed by Armand Mastroianni.