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