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.
Hop-a-long Cassidy
The Eagle's Brood
Bar 20 Rides Again
Call of the Prairie
Three on the Trail
Heart of the West
Hopalong Cassidy Returns
Trail Dust
Borderland
Hills of Old Wyoming
North of the Rio Grande
Rustlers' Valley
Hopalong Rides Again
Texas Trail
Partners of the Plains
Cassidy of Bar 20
Heart of Arizona
Bar 20 Justice
Pride of the West
In Old Mexico
The Frontiersmen
Sunset Trail
Silver on the Sage
Renegade Trail
Range War
Law of the Pampas
Santa Fe Marshal
The Showdown
Hidden Gold
Stagecoach War
Three Men from Texas
Doomed Caravan
In Old Colorado
Border Vigilantes
Pirates on Horseback
Wide Open Town
Riders of the Timberline
Stick to Your Guns
Twilight on the Trail
Outlaws of the Desert
Secret of the Wastelands
Lost Canyon
Undercover Man
Hoppy Serves a Writ
Border Patrol
Leather Burners
Colt Comrades
Bar 20
False Colors
Riders of the Deadline
Texas Masquerade
Lumberjack
Mystery Man
Forty Thieves
The Devil's Playground
Fool's Gold
Unexpected Guest
Dangerous Venture
The Marauders
Hoppy's Holiday
Silent Conflict
The Dead Don't Dream
Sinister Journey
Borrowed Trouble
False Paradise
Strange Gamble
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
John Power
Fort Cook
David Selman
Director
Harry Sherman
Producer
Sherman A. Rose
Editor
Russell Harlan
Cinematography
Lewis J. Rachmil
Art Direction
Jack O'Donnell
Screenplay
Clarence E. Mulford
Story
Ralph Ravenscroft
Production Manager
Harrison Jacobs
Additional Dialogue
Karl Zint
Sound
Derwin Abrahams
Assistant Director
Theodore Joos
Earl Sitar
Sound Engineer
