Belle Langtry runs a town being taken over by cattle rustlers. She is also a front for the outlaws, who are led by Steve Fraser. Hoppy gets elected sheriff and cleans up the town with help from the Bar 20 boys.

William Boyd
as Hopalong Cassidy

Russell Hayden
as Lucky Jenkins

Andy Clyde
as California Carlson

Evelyn Brent
as Belle Langtry

Victor Jory
as Steve Fraser

Morris Ankrum
as Jim Stuart

Cara Williams
as Joan Stuart

Glenn Strange
as Henchman Ed Stark

Roy Barcroft
as Henchman Red

Bob Kortman
as Henchman Blackie