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