Bill Carson posing as El Puma
Marian Willis
Magpie
Link Benson
Old Dobie
Dr. Jerry Leonard
Prof. Lucius Lloyd
Sheriff
Prospector
Henchman
Henchman
Henchman
Henchman Hank
El Puma Rider
El Puma Rider
El Puma Rider Pedro
Henchman
El Puma Rider from Argentina (uncredited)
Stagecoach Driver
Wagon Driver
Henchman