Roy Rogers as Roy Rogers

Lynne Roberts as Jean

George 'Gabby' Hayes as Gabby

Jack La Rue as Manuel Delgardo / Sujarno

Frank Puglia as Don José Vargas

Paul Marion as Carlos Vargas

Katherine DeMille as Rita Vargas

Ethel Wales as Aunt Felicia Vargas

Harry Woods as Curly Calkins

Merrill McCormick as Pedro

Fred Burns as Settler Wagon Master

Ted Mapes as Tall Lead Henchman

Jim Corey as Henchman

George Montgomery as Henchman

Al Taylor as Henchman

Henry Wills as Henchman

Bill Nestell as Smelter Worker Trying to Lift Gold Ball

Buck Bucko as Vaquero

Roy Bucko as Vaquero

Herman Hack as Settler

Tom Smith as Settler (uncredited)

Blackie Whiteford as Settler

Chuck Baldra as Smelter Worker

Anna Demetrio as The Dueña [unconfirmed]