A horse called Brilliant is the only one who knows the location of a gold mine. When Brilliant's owner is killed, the trio known as the Three Mesquiteers (Bob Steele, Tom Tyler and Jimmie Dodd) are mistakenly arrested for the murder.
as Tucson Smith
as Stony Brooke
as Lullaby Joslin
as Ann Martin
as Freddy
as Martin
as Frank Nolan
as Henchman Reese
as Henchman Rankin
as Henchman Lon
as Sheriff Pillsbury
as Deputy Bets McGee
