Sleuth (1972 film) as a full partner. The likeness of actress Joanne Woodward was used for the painting of Marguerite Wyke. The production team intended to reveal as little about the movie as possible so as to make the conclusion a complete surprise to the audience. For this reason there is a false cast list at the beginning of the film which lists fictional people playing roles that do not exist. They are Alec Cawthorne as Inspector Doppler, John Matthews as Detective Sergeant Tarrant, Eve Channing (named after the characters Eve Harrington and Margo Channing from Mankiewicz's 1950 film "All About Eve") as
Bette Davis an English teacher who saves a young Welsh miner (John Dall) from a life in the coal pits, by offering him education. The part had been played in the theatre by Ethel Barrymore, but Warner Bros. felt that the film version should depict the character as a younger woman. Davis disagreed, and insisted on playing the part as written, and wore a gray wig and padding under her clothes, to create a dowdy appearance. The film was well received by critics, and made a profit of $2.2 million. The critic E. Arnot Robertson observed: Only Bette Davis...could have combated so