Joan Sanderson
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Joan Sanderson (24 November 1912 – 24 May 1992) was a British television and stage actress.
Born in Bristol, Joan Sanderson played Doris Ewell in the television series Please Sir! (1969) and the Dean's wife, Mrs Pugh Critchley, in All Gas and Gaiters. She also played the role of Eleanor in the radio and television versions of After Henry and appeared in the sitcom Wild, Wild Women.
However she is best known to many for a single guest role: as Mrs. Richards, one of the most memorable guest characters in the classic British sitcom Fawlty Towers.
She also featured in The Great Muppet Caper, coincidentally playing John Cleese's wife.