He Knows You're Alone (1980) Horror Thriller
He Knows You're Alone (1980) Movie Release Dates / Movie Details

- Our Score: ☆ 5/10
Read our He Knows You're Alone Movie Review - Overall Score: ☆ 4.55/10
IMDB: ☆ 5.0/10
Tomatometer: ☆ 3.6/10
He Knows You're Alone Plot 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 him down before it is too late. Meanwhile, the bride has to figure out if it is all in her imagination or not, aided by her ex-boyfriend...
Synopsis / Plot Summary: A young bride-to-be is being stalked upon by a serial killer in Staten Island. She gets help from a former lover, but will they manage to escape?
Tagline: Every girl is frightened the night before her wedding, but this time... there's good reason!
More: Most Anticipated Horror Movies Coming Soon in 2026-2027!Official Trailer
He Knows You're Alone Movie Information:
Type: MovieYear: 1980 (more 1980 movies)
Production Co.: MGM Home Entertainment
Language: English
Country: United States
Release Dates: Movie Release Dates / He Knows You're Alone Release Dates DVD: Oct 05, 2004
Producers: Joseph Beruh, Robert Di Milia, Edgar Lansbury, George Manasse, Nan Pearlman
Musicians: Alexander Peskanov, Mark Peskanov
Cinematographers: Gerald Feil
Trending in Movies:
Whistle (2025), Forgive Us All (2025), Hell House LLC: Lineage (2025), 28 Years Later: The Bone… (2026), 28 Years Later (2025), We Bury the Dead (2024), Strange Harvest: Occult Murder… (2024), Bring Her Back (2025), Parvulos (2024), and ZombieCON Vol. 1 (2024)
Check Out the Best Horror Movies of 2026 You Must See!
Check out more movies that start with H and movies from 1980. Also, you can find more thriller movies that start with H.
More: Must See New Horror Movies in 2026!(6) Movie Recommendations
Similar Movies to He Knows You're Alone (1980)(Click to Expand)
- The Boogey Man (1980)
- X-Ray (1981)
- The Dorm That Dripped Blood…
- To All a Goodnight (1980)
- Hide and Go Shriek (1988)
- Unhinged (1982)
He Knows You're Alone (1980) Cast (Click to Expand)
He Knows You're Alone Cast
| Cast overview, first billed only: | Character(s) | |
|---|---|---|
| Don Scardino | ... | Marvin |
| Caitlin O''Heaney | ... | Amy Jensen |
| Elizabeth Kemp | ... | Nancy |
| Tom Rolfing | ... | Ray Carlton (the killer) |
| 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 |
| Debbie Novak | ... | Girl in Car |
| Russell Todd | ... | Boy in Car |
Fun Facts: 15 Real AGES of Cast
- Don Scardino (b. February 17, 1949) – Marvin
Sign: Aquarius, Height: 5' 11" (1.8 m)
Also known as: Chelo Scardino - Caitlin O''Heaney (b. August 16, 1953) – Amy Jensen
Sign: Leo, Height: 5' 7" (1.7 m)
Also known as: Kathleen Heaney - Elizabeth Kemp – Nancy
- Tom Rolfing – Ray Carlton (the killer)
- Lewis Arlt – Det. Len Gamble
- Patsy Pease – Joyce
- James Rebhorn, as Prof. Carl Mason, passed away at age 65 in South Orange, New Jersey, USA.
Sign: Virgo, Height: 6' 3" (1.91 m)
Also known as: James R. Rebhorn | Jim Rebhorn - Tom Hanks (b. July 9, 1956) – Elliot
Sign: Cancer, Height: 6' (1.83 m)
Also known as: Tom H. | Tomu Hankusu - Dana Barron (b. April 22, 1966) – Diana
Sign: Taurus, Height: 5' 3" (1.6 m) - Joseph Leon – Ralph the Tailor
- Paul Gleason, as Det. Frank Daley, passed away at age 67 in Burbank, California, USA.
Sign: Taurus, Height: 6' 0½" (1.84 m)
Also known as: Paul X. Gleason | Paul Xavier Gleason - James Carroll – Phil
- Brian Byers – Bernie
- Curt Hostetter – Tommy
- Robin Lamont – Ruthie
Source: IMDB, Rotten Tomatoes, HellHorror.com fans like you!