Cast 29

1. 

   Frankie Thomas

   Tim Tyler

2. 

   Frances Robinson

   Lora Lacey

3. 

   Jack Mulhall

   Sgt. Gates

4. 

   Al Shean

   Professor Tyler

5. 

   Norman Willis

   Spider Webb

6. 

   Anthony Warde

   Garry Drake

7. Earl Douglas

   Jules Lazarre

8. 

   William Benedict

   Spud

9. 

   Frank Mayo

   Jim Conway

10. Alan Gregg

    Brent

11. 

    Stanley Blystone

    Capt. Clark

12. 

    Everett Brown

    Mogu

13. Skippy

    JuJu

14. 

    Ernie Adams

    Henchman Becker

15. 

    Ed Brady

    Ivory Patrol Lieutenant

16. 

    Al Bridge

    Capt. Trowbridge

17. 

    Lane Chandler

    Patrolman Kelly

18. 

    William Desmond

    Dock Official

19. 

    Kenneth Harlan

    Spencer, Trader

20. 

    Ethan Laidlaw

    Patrol Guard Rocky

21. William McClain

    Native

22. Chuck Morrison

    Henchman

23. Charles Murphy

    Henchman

24. 

    Forbes Murray

    The Doctor

25. 

    Pat J. O'Brien

    Patrolman Berry

26. 

    Eddie Parker

    Henchman

27. 

    Tom Steele

    Ivory Patrolman

28. 

    Charles Sullivan

    River Boat Crewman / Henchman

29. 

    Harry Wilson

    Henchman

Crew 7