The Sleeping Cardinal

The Sleeping Cardinal is a 1931 British mystery film directed by Leslie S. Hiscott and starring Arthur Wontner and Ian Fleming. The film is an adaptation of the Sherlock Holmes stories by Arthur Conan Doyle, though it is not based on any one particular story it draws inspiration from The Empty House and The Final Problem. It is unrelated to the Basil Rathbone series of Holmes films which also began in the 1930s.

Opening with a silent sequence in silhouette within the Bank of England, were whisked to a London home where Foreign Office bureaucrat Ronnie Adair Leslie Perrins is once again winning handsomely whilst gambling at bridge. Adair is called to a meeting with The Sleeping Cardinal, a picture disguising the identity of Professor Moriarty Norman McKinnel, and blackmailed into taking counterfeit money to Paris in his diplomatic pouch. Adairs concerned sister calls for the assistance of Sherlock Holmes Arthur Wontner and Dr. Watson Ian Fleming to investigate the reasons for her brothers gambling excesses and depressed moods. After Adair succumbs to an apparent suicide Holmes derives from a trail of clues Moriartys involvement.

Source: Wikipedia