Cast 29

1. 

   Tom Brown

   'Smilin' Jack' Martin

2. 

   Marjorie Lord

   Janet Thompson

3. 

   Rose Hobart

   Trudy Muller, aka Fraulein von Teufel

4. 

   Keye Luke

   Captain Wing

5. 

   Edgar Barrier

   Tommy Thompson

6. 

   Cyril Delevanti

   Mah Ling / Han Po, his double

7. 

   Philip Ahn

   Wu Tan

8. 

   Turhan Bey

   Kageyama [Chs. 1-5, 12-13]

9. 

   Sidney Toler

   General Kai Ling [Chs. 1-5, 13]

10. 

    Jay Novello

    Kushimi, infiltrator [Chs. 1-3, 12-13]

11. Rico De Montez

    Henchman Hito [Chs 1, 4, 12-13]

12. 

    Nigel De Brulier

    The Lo-San [Chs. 2-3, 12-13]

13. 

    Edward Keane

    Hon. George Hill [Chs. 8-12]

14. 

    William Forrest

    Secretary of Internal Affairs [Chs. 8-12]

15. Jack Gardner

    Captain Yoshido [Chs. 1-3]

16. Terry Grey

    Shuma, pilot [Chs. 1-3]

17. 

    Stanley Blystone

    Capt. Hardigan [Chs. 5-6]

18. 

    Herbert Heyes

    Sir Cedric [Chs. 5-7]

19. 

    James Craven

    Commissioner Robert George Hardy [Chs. 5-7]

20. 

    Alex Havier

    Sanson, phoney waiter [Chs. 6-7]

21. 

    Paul Bryar

    Herr Bauer [Chs. 6-7]

22. 

    Norma Drury

    Frau Bauer [Chs. 6-7]

23. 

    Grace Cunard

    Second German Woman Spy [Chs. 6-7]

24. 

    David Hoffman

    John O. Blenker [Chs. 9-11]

25. 

    Edward Peil Sr.

    Freighter Captain [Chs. 7-8]

26. 

    Wheeler Oakman

    Freighter Mate [Chs. 7-8]

27. Frederick Giermann

    Schlesser, device expert [Chs. 10-11]

28. Bert Freeman

    Shimoto, device operator [Chs. 10-11]

29. 

    Harry Strang

    Honolulu Detective-in-charge [Chs. 10-12]

Crew 4