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Prunella Margaret Rumney West Scales CBE (née Illingworth; born 22 June 1932) is an English former actor, best known for playing Sybil Fawlty, wife of Basil Fawlty (John Cleese), in the BBC comedy Fawlty Towers; for her portrayal of Queen Elizabeth II in A Question of Attribution (Screen One, BBC 1991) by Alan Bennett (for which she was nominated for a BAFTA award); and for the documentary series Great Canal Journeys (2014–2021), in which she travels on canal barges and narrowboats with her husband, fellow actor Timothy West.

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