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.

• Paramount Pictures
• Harry Sherman Productions
• William Boyd
• Russell Hayden
• George 'Gabby' Hayes
• Judith Allen
• Billy King
• Alexander Cross
• Karl Hackett
• Bob Kortman