Mad creatures of the night existing only for sensual sadistic moments of human slaughter!
Three sisters must spend three nights on an eerie island to inherit their father's fortune. A deformed man leads them to the estate where horrors await.
- Release Date: September 6, 1968
- Runtime: 81 minutes
- Production countries: United States of America
- Original Title: The Ghastly Ones
- Original Language: English
Genres: Horror
Actors: Hal Borske, Veronica Radburn, Maggie Rogers, Anne Linden, Fib LaBlaque