What Became of Jack and Jill?
- Sal: 1972
- Welat: United Kingdom
- Genre: Thriller, Horror, Mystery
- Studio: Amicus Productions, 20th Century Fox
- Keyword: house, murder
- Serek: Bill Bain
- Avdan: Vanessa Howard, Mona Washbourne, Paul Nicholas, George Benson, Peter Copley, George A. Cooper