Calificación
Reparto

Tim McCoy
Bill Carson posing as El Puma

Joyce Bryant
Marian Willis

Ben Corbett
Magpie

Ted Adams
Link Benson

Budd Buster
Old Dobie

Dave O'Brien
Dr. Jerry Leonard

Forrest Taylor
Prof. Lucius Lloyd

Reed Howes
Sheriff

John Elliott
Prospector

Kenne Duncan
Henchman

Herman Hack
Henchman

Chick Hannan
Henchman

Carl Mathews
Henchman Hank

Lew Meehan
El Puma Rider

Kansas Moehring
El Puma Rider

Artie Ortego
El Puma Rider Pedro