How many movies have Joan Hickson and Judy Pepperdine collaborated on?

They have worked on 2 movies together! Their first movie together was Miss Marple: 4.50 from Paddington (1987) while their highest rated movie together was Miss Marple: The Mirror Crack'd from Side to Side (1992). They have not worked together since Miss Marple: The Mirror Crack'd from Side to Side (1992).