84 mins | Crime, Mystery | Feb. 15, 1931
84 mins | Crime, Mystery | Feb. 15, 1931
| IMDb rating | 5.8 |
| Producers | Julius Hagen Productions |
| Original title | The Sleeping Cardinal |
| Directors | Leslie S. Hiscott |
| Writers | Cyril Twyford, Arthur Conan Doyle |
as Sherlock Holmes
as Dr. John Watson
as Mrs. Hudson
as Ronald Adair
as Kathleen Adair
as Prof. Robert Moriarty / Col. Henslowe
as Thomas Fisher
as Tony Rutherford
as Inspector Lestrade
as Marston, the butler
as Colonel Sebastian Moran
as No. 16
as J.J. Godfrey