He Knows You're Alone
“Every girl is frightened the night before her wedding. But this time...there's good reason!”
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.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
He Knows You're Alone (1980) - Official TrailerOfficial
Type: Trailer • Published 2021-04-10
Top Cast
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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
Brian Byers
Bernie
Curt Hostetter
Tommy
Robin Lamont
Ruthie
Robin Tilghman
Marie
Peter Gumeny
Det. Thompson
John Bottoms
Father McKenna
Release History & Theatrical Window
August 29, 1980
Wide Cinema Exhibition
Financials & Box Office Performance
Production Budget
$300K
Filming & production cost
Worldwide Gross
$4.9M
Total global ticket sales
Box Office Return
16.33x
+$4.6M net gain
Theatrical Status
Mega Hit
Box office tier
Key Information & Fast Facts
- Director
- Armand Mastroianni
- Screenplay & Story
- Scotty Parker
- Original Score
- Mark Peskanov, Alexander Peskanov
- Original Title
- He Knows You're Alone
- Country of Origin
- United States of America
- Spoken Languages
- English
- Runtime
- 1h 34m
- Production Budget
- $300K
- Worldwide Gross
- $4.9M
- Production Studios
- Metro-Goldwyn-Mayer, Lansbury/Beruh Productions
Creative Leadership & Key Crew
Armand Mastroianni
Scotty Parker
Mark Peskanov, Alexander Peskanov
Gerald Feil
George T. Norris
Joseph Beruh, George Manasse, Edgar Lansbury
Department Leadership Roster
Armand Mastroianni
Director
Scotty Parker
Writer
George T. Norris
Editor
George Manasse
Producer
Mark Peskanov
Original Music Composer
Gerald Feil
Director of Photography
Alexander Peskanov
Original Music Composer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
R: Restricted — Under 17 requires accompanying parent or adult guardian.
International Certification Matrix
Restricted — Under 17 requires accompanying parent or adult guardian.
Production Stills & Gallery
Official cinematic photography and background stills for He Knows You're Alone.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring He Knows You're Alone.
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Frequently Asked Questions About He Knows You're Alone
Quick factual answers about cast, synopsis, director, box office, and release information.
What is He Knows You're Alone about?
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.
Who directed He Knows You're Alone?
He Knows You're Alone was directed by Armand Mastroianni.
Who stars in He Knows You're Alone?
The principal cast of He Knows You're Alone includes Don Scardino, Caitlin O'Heaney, Elizabeth Kemp, Tom Rolfing, Lewis Arlt.
When was He Knows You're Alone released and how long is it?
He Knows You're Alone was released in 1980 with a total runtime of 1h 34m.
What was the box office and production budget of He Knows You're Alone?
He Knows You're Alone had a reported production budget of $300K and grossed $4.9M at the worldwide box office (16.33 return on budget, classified as a blockbuster success).
Who composed the musical score for He Knows You're Alone?
The original motion picture soundtrack for He Knows You're Alone was composed by Mark Peskanov, Alexander Peskanov.
What is the age rating and content advisory for He Knows You're Alone?
He Knows You're Alone holds official age classifications: US: R (Restricted — Under 17 requires accompanying parent or adult guardian.).