Cast 27

1. 

   Bela Lugosi

   Prof. Frederick Brenner aka Karl Wagner

2. 

   John Archer

   Richard Dennison

3. 

   Wanda McKay

   Judy Malvern

4. 

   Tom Neal

   Frankie Mills

5. 

   Vince Barnett

   Charley

6. Anna Hope

   Mrs. Brenner

7. 

   John Berkes

   Fingers Dolan

8. 

   J. Farrell MacDonald

   Capt. Mitchell

9. 

   Dave O'Brien

   Det. Pete Crawford

10. Lucille Vance

    Mrs. Malvern

11. 

    Lew Kelly

    Doc Brooks

12. 

    Wheeler Oakman

    "Trigger" Stratton

13. Ray Miller

    The Big Tramp

14. 

    George Eldredge

    Det. Thompson (uncredited)

15. 

    Eddie Kane

    Police Chief Martin (uncredited)

16. 

    Harry 'Snub' Pollard

    Knocked-out Motorist (uncredited)

17. 

    Bernard Gorcey

    Shopkeeper (uncredited)

18. 

    Willy Castello

    Jeweler (uncredited)

19. 

    Bob Reeves

    Henchman (unconfirmed) (uncredited)

20. 

    Walter McGrail

    Coroner (uncredited)

21. 

    Jack Kenney

    Usher (uncredited)

22. Ralph Littlefield

    Cards-player Tramp (uncredited)

23. Pat Costello

    Tramp questioned by Richard (uncredited)

24. 

    Eddie Hall

    Tramp playing checkers at 'Friendly Mission' (uncredited)

25. 

    Theodore Lorch

    Tramp Playing Checkers at Friendly Mission (uncredited)

26. 

    Victor Adamson

    Tramp (uncredited)

27. Bobby Stone

    Newsboy (uncredited)

Crew 12