Cast 27

1. 

   John Mills

   Commandant Fraser

2. 

   John Gregson

   Lieutenant Alec Duffy

3. 

   Donald Sinden

   Lieutenant Tom Corbett

4. 

   James Robertson Justice

   Admiral Ryder

5. 

   Michael Medwin

   Smart

6. 

   Theodore Bikel

   German Officer

7. 

   James Kenney

   Abercrombie

8. 

   William Russell

   Ramsey

9. 

   O.E. Hasse

   Captain of the Tirpitz

10. 

    Lee Patterson

    Cox

11. 

    Harry Towb

    McCleery

12. 

    Cyril Chamberlain

    CPO Chubb

13. 

    Tony Wager

    George

14. Leslie Weston

    Winley

15. 

    Lyndon Brook

    Diver Navigator, X2

16. 

    Thomas Heathcote

    Hutchins

17. 

    Anthony Newley

    Engineer, X2

18. 

    John Horsley

    Lt. Anderson

19. 

    William Franklyn

    No. 1, X2

20. Guido Lorraine

    Officer Interpreter

21. 

    Raymond Francis

    Officer on Towing Sub. (1)

22. Basil Appleby

    Officer on Towing Sub. (2)

23. 

    Walter Gotell

    German Officer on Tirpitz

24. 

    Victor Harrington

    RAF Officer (uncredited)

25. Arthur Howell

    German Navy Officer (uncredited)

26. Barry Keegan

    Sailor on Towing Sub (uncredited)

27. 

    Frank Lawton

    Naval Officer in Briefing Room (uncredited)

Crew 8