- Country: UK
- Genres: Crime, Mystery
- Release: 1931-07-20
- Director: Leslie S. Hiscott
- Writers: Arthur Conan Doyle (1859–1930) , Cyril Twyford
- Language: English
- Stars: Arthur Wontner , Ian Fleming , Minnie Rayner , Leslie Perrins , Jane Welsh , Norman McKinnel , William Fazan , Sydney King , Philip Hewland , Gordon Begg
- Runtime: 72 min
- Awards: N/A
- AKA: Il re dell'ombra (Italy) , El cardenal durmiente (Spain) , The Sleeping Cardinal (India) , Sherlock Holmes' Fatal Hour (United States of America) , The Sleeping Cardinal (United Kingdom) , The Sleeping Cardinal
- Plot: Card cheat Ronald Adair hears a disembodied voice coming from a painting of a cardinal threatening him with exposure and disgrace unless he becomes part of a criminal conspiracy involving counterfeit money. Adair is reluctant and is later found shot in the head in a bank. Holmes rightly suspects that his arch-enemy Moriarty, the master of disguise, is behind the plot.
- IMDB:tt0022373
Sherlock Holmes’ Fatal Hour Cast · · · ALL
Leslie S. Hiscott
Director
Arthur Wontner
Sherlock Holmes
Minnie Rayner
Mrs. Hudson
Leslie Perrins
Ronald Adair
Jane Welsh
Kathleen Adair
Norman McKinnel
Prof. Robert Moriarty / Col. Henslowe
William Fazan
Thomas Fisher
Sydney King
Tony Rutherford
Philip Hewland
Inspector Lestrade
Gordon Begg
Marston, the butler
Harry Terry
No. 16
Charles Paton
J.J. Godfrey