So Evil, My Sister

So Evil, My Sister is a 1974 American horror film, starring Susan Strasberg and Faith Domergue.

It was directed by Reginald Le Borg.

Cast

 * Susan Strasberg as Brenda
 * Faith Domergue as Millie Hartman
 * Charles Knox Robinson as Jerry
 * Sydney Chaplin as George
 * Steve Mitchell as Lt. Haze
 * Ben Frank as Woody
 * John Howard as Dr. Thomas
 * Biff Yeager as Bill
 * Kathleen Freeman as Hilda
 * John Ashton as Brock