The Sleeping Cardinal (1931) is a Mystery, Crime film that follows a card cheat is threatened with exposure into joining a criminal enterprise that Sherlock Holmes believes is controlled by Professor Moriarity. Currently, you can watch The Sleeping Cardinal on Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 5.5 out of 10 from 16 votes. Fans of mystery movies may also want to explore similar titles below.