- Country: USA
- Genres: Western
- Release: 1937-12-01
- Director: Ray Taylor
- Writers: Frances Guihan , Forrest Brown
- Language: English
- Stars: Buck Jones , Silver , Muriel Evans , Harvey Clark , Walter Miller , Lee Phelps , Matty Fain , Richard Holland , Grace Goodall , Ezra Paulette
- Runtime: 60 min
- Awards: N/A
- AKA: Castigo Imprevisto (Brazil) , Boss of Lonely Valley (United States of America) , Den underjordiske Gang (Denmark) , Boss of Lonely Valley
- Plot: Gang leader Wagner is taking ranchers land with phony deeds forged by Leavitt. When Hanson and Lynch investigate, the gang puts Lynch on a runaway wagon and then they shoot Hanson. But Hanson was not shot and he had previously saved Lynch. The two supposedly dead men now await the gangs next move.
- IMDB:tt0028657
Boss of Lonely Valley Cast · · · ALL
Ray Taylor
Director
Buck Jones
Steve Hanson
Muriel Evans
Retta Lowery
Richard Holland
Sonny Lowery (as Dickie Howland)
Harvey Clark
Jim Lynch
Walter Miller
Jake Wagner
Grace Goodall
Martha Wiggins
Lee Phelps
Peter Starr
Matty Fain
Sam Leavitt
Ezra Paulette
Suds Maloney
Virginia Dabney
Blondie
Ted Adams
Henchman Slim
Silver
Silver, Steve's Horse