Cast 24

1. 

   Sidney Toler

   Charlie Chan

2. 

   Benson Fong

   Tommy Chan

3. 

   Mantan Moreland

   Birmingham Brown, Chauffeur

4. 

   Robert Homans

   Capt. Flynn

5. 

   I. Stanford Jolley

   Rolf Brot, alias Ralph Brett

6. 

   Virginia Brissac

   Mrs. Marsh

7. 

   Jack Norton

   Willie Rand

8. 

   Janet Shaw

   Gloria Bayne

9. 

   Ben Carter

   Ben Carter

10. Victoria Faust

    Hulda Swenson / Janet Carter

11. Helen Deverell

    Diane Hall

12. 

    Leonard Mudie

    Horace Karloss

13. 

    Reid Kilpatrick

    Mr. Chester, program announcer

14. 

    Emmett Vogan

    Mr. Hamilton

15. 

    Crane Whitley

    Henchman Cooper

16. 

    Kernan Cripps

    Detective (uncredited)

17. 

    Charles Jordan

    Nelson (uncredited)

18. 

    Kenner G. Kemp

    Police Radio Expert (uncredited)

19. 

    Milton Kibbee

    Herbert Sinclair (uncredited)

20. 

    Frank Mayo

    Det. Hodge (uncredited)

21. 

    Leonard Mudie

    Horace Karlos (uncredited)

22. Tom Quinn

    Chemist (uncredited)

23. 

    Charles Sherlock

    Sgt. McGraw (uncredited)

24. 

    Charles Wagenheim

    Rausch (uncredited)

Crew 3