Psycho Sisters

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

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