Who was known for a role in an Agatha Christie movie and acted in Theater of Blood?
Joan Hickson: Joan Bogle Hickson, OBE (5 August 1906 – 17 October 1998) was an English actress of theatre, film and television. Joan Hickson:  She was particularly known for her role as Agatha Christie's Miss Marple in the television series "Miss Marple".
i don't know