The Sleeping Cardinal
A card cheat is threatened with exposure into joining a criminal enterprise that Sherlock Holmes believes is controlled by Professor Moriarity.
- Year: 1931
- Country: United Kingdom, United States of America
- Genre: Mystery, Crime
- Studio: Julius Hagen Productions, Warner Bros. Pictures
- Keyword: detective, based on short story, sherlock holmes
- Director: Leslie S. Hiscott
- Cast: Arthur Wontner, Ian Fleming, Minnie Rayner, Leslie Perrins, Jane Welsh, Norman McKinnel