What's the Matter with Helen?

What's the Matter With Helen? is a 1971 American psychological horror film directed by Curtis Harrington from a screenplay by Henry Farrell. It stars Debbie Reynolds and Shelley Winters, with supporting roles played by Dennis Weaver, Agnes Moorehead and Micheál Mac Liammóir. The film is categorized as a part of the "psycho-biddy" subgenre of the 1960's and early 70's.