Prunella Margaret Rumney West Scales CBE (née Illingworth) 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.