Psycho Sisters

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

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