Joan Greenwood (4 March 1921 – 28 February 1987) was an English actress. Her husky voice, coupled with h…Joan Greenwood (4 March 1921 – 28 February 1987) was an English actress. Her husky voice, coupled with her slow, precise elocution, was her trademark. She is perhaps best remembered for her role as Sibella in Kind Hearts and Coronets (1949). Her other film appearances included The Man in the White Suit (1951), The Importance of Being Earnest (1952), Stage Struck (1958), Tom Jones (1963) and Little Dorrit (1987).