Cast 29

1. 

   Will Hay

   William Potts / Muller

2. 

   Frank Pettingell

   Professor Hoffman

3. 

   Julien Mitchell

   General Von Glotz

4. 

   Charles Hawtrey

   Max

5. 

   Barry Morse

   Kurt

6. 

   Peter Ustinov

   Krauss

7. Peter Croft

   Hans

8. Anne Firth

   Lena

9. Leslie Harcourt

   Vogel

10. 

    Jeremy Hawk

    A.D.C.

11. 

    Raymond Lovell

    Schmidt

12. 

    Aubrey Mallalieu

    Rector

13. 

    John Williams

    Maj. Bishop

14. Lawrence O'Madden

    Col. Truscott

15. John Boxer

    British Pilot

16. Clifford Buckton

    MI5 Man (uncredited)

17. Arthur Denton

    Detective Carter (uncredited)

18. 

    Leslie Dwyer

    German Soldier on Train

19. Richard George

    German Pilot

20. 

    Walter Gotell

    SS Guard

21. 

    William Hartnell

    German Officer at Station

22. 

    Bryan Herbert

    Airport Official

23. Vincent Holman

    Member of the General Staff

24. 

    Charles Paton

    Passenger Arrested on Train

25. Lloyd Pearson

    Train Passenger

26. 

    Johnnie Schofield

    1st Observer (uncredited)

27. 

    Harry Terry

    SS Guard (uncredited)

28. 

    Jack Vyvyan

    Detective Evans (uncredited)

29. H Victor Weske

    SS Officer on Train (uncredited)

Crew 14