When shifty cattlemen Belknap (Walter Miller) and H.R. Shelby (Gordon Hart) are caught shipping infected animals to Mexico, they frame inspector Gene Autry. Now Autry and his sidekick, Frog Millhouse (Smiley Burnette), must catch the bad guys in the act and set things straight. June Storey co-stars as rancher Martha Wheeler. Autry sings "I'm Gonna Round Up My Blues," "Moonlight on the Ranch House" and "Big Bull Frog."

Cast

Gene Autry

Gene Autry

Smiley Burnette

Frog Millhouse

June Storey

Martha Wheeler

George Cleveland

Jim Wheeler

Hal Price

Sheriff

Jack Mulhall

Dr. Sommers