Other titles: Il re dell’ombra | El cardenal durmiente | Sherlock Holmes’ Fatal Hour
Year Released: 1931
Month released: February
Certification: United Kingdom:U
Directors: Leslie S. Hiscott
Cast: Arthur Wontner, Charles Paton, Gordon Begg, Harry Terry, Ian Fleming, Jane Welsh, Leslie Perrins, Louis Goodrich, Minnie Rayner, Norman McKinnel, Philip Hewland, Sydney King, William Fazan
Producers: Julius Hagen
Production Companies: Julius Hagen Productions
Camera and electrical department: William Luff
Certification: United Kingdom:U
Cinematographers: Sydney Blythe
Colorization: Black and White
Country: United Kingdom
Distributors: Ameralgo Corporation, First Division Exchanges, The Video Cellar, Warner Brothers Pictures
Editors: Jack Harris
Languages: English
Other Companies: Twickenham Film Studios
Sound Department: Baynham Honri