Strange Behavior (1981) — not-bad story, nice work by Dey Young, and great Tangerine Dream soundtrack.
Death Mask (1984) — Farley Granger, based on Philadelphia "boy in the box" case
The Night Walker (1964) — so much to love here — William Castle, Barbara Stanwyck, Robert Taylor, a blind Hayden Rorke (!!!), Lloyd Bochner and his voice, and music by the composer of the Addams Family theme
Count Yorga, Vampire (1970) — two words: "kitten eating"
Dracula's Widow (1988) — directed by Nicolas Cage's brother and starring Emanuelle and Harold from "Twin Peaks"