Cast 21

1. 

   Tim McCoy

   Bill Carson posing as El Puma

2. 

   Joyce Bryant

   Marian Willis

3. 

   Ben Corbett

   Magpie

4. 

   Ted Adams

   Link Benson

5. 

   Budd Buster

   Old Dobie

6. 

   Dave O'Brien

   Dr. Jerry Leonard

7. 

   Forrest Taylor

   Prof. Lucius Lloyd

8. 

   Reed Howes

   Sheriff

9. 

   John Elliott

   Prospector

10. 

    Kenne Duncan

    Henchman

11. 

    Herman Hack

    Henchman

12. Chick Hannan

    Henchman

13. Carl Mathews

    Henchman Hank

14. 

    Lew Meehan

    El Puma Rider

15. 

    Kansas Moehring

    El Puma Rider

16. 

    Artie Ortego

    El Puma Rider Pedro

17. Tex Palmer

    Henchman

18. Tom Smith

    El Puma Rider from Argentina (uncredited)

19. Frank Wayne

    Stagecoach Driver

20. 

    Wally West

    Wagon Driver

21. 

    Dan White

    Henchman

Crew 2