In 1972, she won the Best Actress award at the Cannes Film Festival for her role in "Images". She played Superman's mother Lara on the doomed planet Krypton in "Superman" (1978) and its sequels, "Superman II" (1980) and "" (1987). York made extensive appearances in British television series, including "Prince Regent" (1979), as Maria Fitzherbert, the clandestine wife of the future George IV, and "We'll Meet Again" (1982).