The Sleeping Cardinal (1931)
A card cheat is threatened with exposure into joining a criminal enterprise that Sherlock Holmes believes is controlled by Professor Moriarity.
- Release Date: 1931-02-15
- Runtime: 1h 24min
- Production Company: Julius Hagen Productions
- Production Country: United Kingdom
- Director: Leslie S. Hiscott
- Writer: Cyril Twyford
