Succubus (1968)

Demon...or Woman? Meet Lorna... who turns men's wildest dreams into nightmares!

Lorna Green is a performer at a Lisbon nightclub who performs fictionalized acts that involve erotically charged sadomasochistic murders. As she begins to suffer violent, surreal nightmares, she starts to believe that she may be under mind control by a man who may be Satan incarnate.