Cast 35

1. 

   James Mason

   Richard Francis Heritage

2. 

   Joyce Howard

   Laura Verity

3. 

   Tom Walls

   Christopher Child

4. 

   Phyllis Stanley

   Lily Bernard

5. 

   Edward Rigby

   Mansel

6. 

   Ronald Ward

   Carter

7. 

   David Farrar

   Commander Lippinscott

8. 

   Karl Stepanek

   Riccardo

9. 

   Betty Warren

   Fay

10. 

    Walter Crisham

    Charlie

11. 

    Jeanne De Casalis

    Lady with Dog

12. 

    Patricia Medina

    Mary, Manicurist (as Pat Medina)

13. 

    George Robey

    Pawnbroker

14. Ronald Chesney

    Max - Mouth Harmonica Player

15. Peggy Dexter

    Bobby

16. 

    Finlay Currie

    Merchant Captain

17. 

    Brefni O'Rorke

    Detective Inspector Burrows

18. Eric Mason

    Benson - Illusionist

19. Anthony Holles

    Hotel Hairdresser

20. 

    Ian Fleming

21. 

    Kynaston Reeves

    Naval Officer in Charge of Court Martial

22. 

    Herbert Lomas

    Van Driver

23. Percy Walsh

    Police Sergeant

24. 

    Terence de Marney

    Code Expert

25. Elizabeth Flatau

26. 

    Charles Victor

    Pub Owner

27. Robert Sansom

    Petty Officer Bill Grant

28. Alvar Liddell

    Boothby - Radio Announcer

29. 

    Anthony Dawson

    2nd Code Expert

30. 

    Alf Goddard

    One of Mansel's Tough Friends (uncredited)

31. David Keir

    Henry (uncredited)

32. Jack Melford

    Defence Lawyer at Court Martial (uncredited)

33. 

    Hay Petrie

    Waiter (uncredited)

34. Leonard Sharp

    Bus Conductor (uncredited)

35. 

    Dennis Wyndham

    George the Barman (uncredited)

Crew 3