Psycho Sisters

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

William Tuttle Makeup Effects Dean Cundey Director of Photography Reginald Le Borg Director