Cast 22

1. 

   Laurence Payne

   Norman Martell

2. 

   Patricia Dainton

   Helen Martell

3. 

   Jane Griffiths

   Peggy Hill

4. 

   Edward Underdown

   Dr. Peter Murdoch

5. 

   John Arnatt

   Supt. Ross

6. 

   Humphrey Lestocq

   Simmons, the Producer

7. 

   Lucy Griffiths

   Miss Potter

8. Olive Milbourne

   Mrs. Booth

9. 

   Arthur Hewlett

   Marshall

10. 

    Annette Kerr

    Cinema cashier

11. Cleo Laine

    Cleo

12. 

    Dudley Moore

    Rehearsal Pianist (Uncredited)

13. Sylvia Davis

    Cinema sales girl (uncredited)

14. 

    Max Faulkner

    Det. Sgt. Fred Smith (uncredited)

15. Garard Green

    Patrol car policeman (uncredited)

16. Arthur Howell

    P.C. Williams (uncredited)

17. Aileen Lewis

    Sheila (Party Guest) (uncredited)

18. Richard Neller

    Sleeping Man in Theater (uncredited)

19. Pat Ryan

    Detective Examining Tape-Recorder (uncredited)

20. Stuart Saunders

    Cinema manager (uncredited)

21. Arthur Skinner

    Det. Sgt. Carter (uncredited)

22. John Tatham

    Detective / Fingerprints Officer (uncredited)

Crew 19