The U.S. Army needs more horses for the Spanish-American War. Hoppy must turn his Bar 20 cowhands into Rough Riders to gather up the horses, and of course bad guys try to sabotage the operation.
Cast
William Boyd
Hopalong Cassidy
Russell Hayden
Lucky Jenkins
George 'Gabby' Hayes
Windy Halliday
Judith Allen
Barbara Allen
Billy King
Boots
Alexander Cross
Black Jack Carson
Karl Hackett
Major McCready
Bob Kortman
Hawks
Jack Rockwell
Shorty
John Beach
Smokey
Ray Bennett
Brad
Philo McCullough
Jordan
Ben Corbett
Fort Guard
Jim Corey
Henchman
Earle Hodgins
Major Jordan
John Judd
Army Lieutenant
Clyde Kenney
Courier
Leo J. McMahon
Army Corporal
Buck Morgan
Hoppy Man
Cliff Parkinson
Henchman
John Power
Fort Cook
Crew
David Selman
Director
Jack O'Donnell
Screenplay
Clarence E. Mulford
Story
Sherman A. Rose
Editor
Russell Harlan
Cinematography
Derwin Abrahams
Assistant Director
Theodore Joos
Assistant Director
Harry Sherman
Producer
Earl Sitar
Sound Engineer
Karl Zint
Sound
Harrison Jacobs
Additional Dialogue
Ralph Ravenscroft
Production Manager
Lewis J. Rachmil
Art Direction
