 This was the penultimate production in the series of four films with  Margaret Rutherford as Miss Marple. The last is  _Murder Ahoy (1964)_ (qv) (made the same year as Murder Most Foul)in  which Inspector Craddock has been promoted to the rank Chief  Inspector. After the series concluded, Margaret Rutherford reprised  her Miss Marple role once more for a cameo appearance in  _Alphabet Murders, The (1965)_ (qv).