Jill Angela Henriette Balcon (3 January 1925 – 18 July 2009) was an English film and radio actress, who was also known for her stage and television work. She made her film debut in Nicholas Nickleby (1947). She was the second wife of poet Cecil Day-Lewis and they had two children together: Tamasin Day-Lewis, who became a food critic and TV chef, and Daniel Day-Lewis, notable for his acting career.