Demons of the Mind (1972)

Name: Demons of the Mind
Genre: Horror, Thriller
Released: 1972-11-05
Duration: 89 min
Cast: Robert Hardy, Shane Briant, Gillian Hills, Yvonne Mitchell, Paul Jones

They came to torture an agonised mind.

A physician discovers that two children are being kept virtually imprisoned in their house by their father. He investigates, and discovers a web of sex, incest and satanic possession.