Cast 20

1. 

   Rondo Hatton

   Hal Moffet AKA 'The Creeper'

2. 

   Tom Neal

   Clifford Scott

3. 

   Jan Wiley

   Virginia Rogers Scott

4. 

   Jane Adams

   Helen Paige

5. 

   Donald MacBride

   Police Captain M. J. Donelly

6. 

   Peter Whitney

   Police Lieutenant Gates

7. Fred Coby

   Young Hal Moffet

8. Janelle Johnson Dolenz

   Joan Bemis (as JaNelle Johnson)

9. Mary Ann Bricker

   Mary Ann Obringer (uncredited)

10. 

    Tris Coffin

    Police Lieutenant / voice of radio announcer (uncredited)

11. 

    Joseph Crehan

    Police Commissioner Salisbury (uncredited)

12. 

    John Hamilton

    Professor Cushman (uncredited)

13. 

    Frank O'Connor

    Policeman at Helen's Apartment (uncredited)

14. 

    Beatrice Roberts

    Nurse (uncredited)

15. 

    Charles Wagenheim

    Pawnbroker (uncredited)

16. William Ruhl

    Policeman at Helen's Apartment (uncredited)

17. 

    James Nolan

    Police Dispatcher (uncredited)

18. 

    Oscar O'Shea

    Mr. Haskins - Grocer (uncredited)

19. 

    Patrick McVey

    Detective at Helen's Apartment (uncredited)

20. Warren Jackson

    Jeweler (uncredited)

Crew 18