Sheila Gish (23 April 1942 – 9 March 2005) was a British stage and screen actress. For her role in the 1995 London revival of the Stephen Sondheim musical Company, she won the Olivier Award for Best Supporting Performance in a Musical. Her screen appearances included the films A Day in the Death of Joe Egg (1972), Quartet (1981), Highlander (1986) and Mansfield Park (1999), the 1969 BBC series The First Churchills, the 1992 TV miniseries of Danielle Steel’s Jewels and the short-lived ITV sitcom Brighton Belles (1993-1994).