Let's Scare Jessica to Death

Let's Scare Jessica to Death is a 1971 American horror film co-written and directed by John Hancock in his directorial debut, and starring Zohra Lampert, Barton Heyman, Gretchen Corbett, and Mariclare Costello.

Plot
Newly released from a mental ward, Jessica (Zohra Lampert) hopes to return to life the way it was before her nervous breakdown. But when Jessica moves to a country house with her husband (Barton Heyman) and a close friend (Kevin O'Connor), she finds a mysterious girl living in there who may or may not be a vampire. Jessica's terror and paranoia resurface as evil forces surround her, making her wonder: Are the visions real or is she slipping back into madness?

Cast

 * Zohra Lampert as Jessica
 * Barton Heyman as Duncan
 * Kevin O'Connor as Woody
 * Gretchen Corbett as The Girl
 * Alan Mason as Sam Dorker
 * Mariclare Costello as Emily / Abigail Bishop