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