Una Stubbs

Una Stubbs (born 1 May 1937) is an English actress and former dancer who has appeared extensively on British television and in the theatre, and less frequently in films. She is particularly known for playing Rita in the sitcom Till Death Us Do Part and Aunt Sally in the children's series Worzel Gummidge. She is also known for her role as Miss Bat in the series The Worst Witch and has most recently appeared as Sherlock Holmes's landlady Mrs Hudson in the Bafta award-winning television series Sherlock.