Hoppy goes undercover as an outlaw (which permits him, for once, to drink and be mean to children) to track down a bunch of outlaws operating along the border. Loco, the head bad guy, deflects suspicion from himself by pretending to be a moron.
William Boyd
James Ellison
George 'Gabby' Hayes
Morris Ankrum
John Beach
Nora Lane
Charlene Wyatt
Trevor Bardette
Earle Hodgins
Al Bridge
George Chesebro
John St. Polis
Silver Tip Baker
Hank Bell
Harry Bernard
Buck Bucko
Roy Bucko
Ed Cassidy
Jim Corey
Joe Dominguez
Frank Ellis
Jack Evans
Herman Hack
Karl Hackett
J.P. McGowan
Leo J. McMahon
Cliff Parkinson
Frosty Royce
Francis Walker
Slim Whitaker
Bob Walker