He Knows You're Alone

He Knows You're Alone

Armand Mastroianni

(1980)

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: Don Scardino
Caitlin O'Heaney
Amy Jensen: Caitlin O'Heaney
Elizabeth Kemp
Nancy: Elizabeth Kemp
Ray Carlton: Tom Rolfing
Don Scardino
Marvin: Don Scardino
Caitlin O'Heaney
Amy Jensen: Caitlin O'Heaney
Elizabeth Kemp
Nancy: Elizabeth Kemp
Ray Carlton: Tom Rolfing
Lewis Arlt
Det. Len Gamble: Lewis Arlt

Crew

Co-ProducerRobert Di Milia
Executive ProducerJoseph Beruh
Executive ProducerEdgar Lansbury
Director of PhotographyGerald Feil
ProducerGeorge Manasse

Overview and Horror Legacy

An early slasher built around voyeuristic tension and urban loneliness rather than elaborate set pieces. It is most notable for featuring one of Tom Hanks’ earliest film appearances. Over time, it has been reassessed as a foundational but uneven entry in the genre’s expansion period.

Collector Market and Memorabilia

Collectors are drawn to its wedding imagery contrasted with sudden bursts of violence, especially the knife-driven kills that define its tone. The stalking sequences rely heavily on framing and shadow, making it visually distinct among peers. Its early VHS releases are often sought after as part of slasher origin collections.

Cult Status

Directed by Armand Mastroianni, it was released in the wake of Halloween’s success. The production leans on low-cost urban locations and a simple killer concept to maximize tension on a limited budget.

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