Cast
Tim McCoy
Bill Carson posing as El Puma
Ben Corbett
Magpie
Budd Buster
Old Dobie
Kenne Duncan
Henchman
Lew Meehan
El Puma Rider
Artie Ortego
El Puma Rider Pedro
Ted Adams
Link Benson
Carl Mathews
Henchman Hank
Kansas Moehring
El Puma Rider
Joyce Bryant
Marian Willis
Forrest Taylor
Prof. Lucius Lloyd
Reed Howes
Sheriff
John Elliott
Prospector
Herman Hack
Henchman
Dan White
Henchman
Dave O'Brien
Dr. Jerry Leonard