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

Sam Newfield