- Country: USA
- Genres: Mystery, Western
- Release: 1935-03-01
- Director: Charles Barton
- Writers: Edward E. Paramore Jr. , Ethel Doherty , Zane Grey
- Language: English
- Stars: Randolph Scott , Charles ‘Chic’ Sale , Mrs. Leslie Carter , George F. Marion , Kathleen Burke , Ann Sheridan , James Eagles , Howard Wilson , Willie Fung (1896–1945) , Florence Roberts
- Runtime: 63 min
- Awards: N/A
- AKA: El jinete negro (Spain) , Rocky Mountain Mystery (United States of America) , O Inválido Poderoso (Brazil) , ロッキーの怪人 (Japan) , The Vanishing Pioneer (United States of America) , Sonhos de Ouro (Portugal, Portuguese Republic) , Mordgåtan i Klippiga Bergen (Sweden) , Fighting Westerner (United States of America) , Manden i den sorte Kappe (Denmark) , Rocky Mountain Mystery (United Kingdom) , Rocky Mountain Mystery
- Plot: A mining engineer teams up with a crusty deputy sheriff to solve the mystery killings at an old mine where the owner's family waits for him to die, and where a valuable radium strike may have been made.
- IMDB:tt0025939
Rocky Mountain Mystery Cast · · · ALL
Charles Barton
Director
Randolph Scott
Larry Sutton
Charles ‘Chic’ Sale
Tex Murdock
Mrs. Leslie Carter
Mrs. Borg
George F. Marion
Jim Ballard
Ann Sheridan
Rita Ballard
Florence Roberts
Mrs. Ballard
Kathleen Burke
Flora Ballard
Willie Fung
(1896–1945)
Ling Yat
James Eagles
John Borg
Howard Wilson
Fritz Ballard