Bill Carson posing as El Puma

Tim McCoy

Acting

Marian Willis

Joyce Bryant

Acting

Magpie

Ben Corbett

Acting

Link Benson

Ted Adams

Acting

Old Dobie

Budd Buster

Acting

Dr. Jerry Leonard

Dave O'Brien

Acting

Prof. Lucius Lloyd

Forrest Taylor

Acting

Sheriff

Reed Howes

Acting

Prospector

John Elliott

Acting

Henchman

Kenne Duncan

Acting

Henchman

Herman Hack

Acting

Henchman

Chick Hannan

Acting

Henchman Hank

Carl Mathews

Acting

El Puma Rider

Lew Meehan

Acting

El Puma Rider

Kansas Moehring

Acting

El Puma Rider Pedro

Artie Ortego

Acting

Henchman

Tex Palmer

Acting

El Puma Rider from Argentina (uncredited)

Tom Smith

Acting

Stagecoach Driver

Frank Wayne

Acting

Wagon Driver

Wally West

Acting

Henchman

Dan White

Acting