Cast 21

1. 

   Guy Rolfe

   Capt. Alwin Maitland

2. 

   Ronald Shiner

   Marine Ogg

3. 

   Michael Hordern

   Admiral Reginald Victor Hewitt

4. 

   Anne Kimbell

   Mary Carlton

5. 

   Nadine Tallier

   Antoinette

6. 

   Fabia Drake

   Lady Kitty Hewitt

7. Mary Steele

   Jill Eaton

8. Richard Coleman

   Capt. Robert 'Bobby' Randall

9. 

   Lionel Jeffries

   Harry, the Tourist

10. Teddy Johnson

    Singer

11. 

    Daniel Massey

    Flag Lt. Courtney

12. 

    Daniel Massey

    Cpl. Duckett

13. 

    Warren Mitchell

    Arthur

14. 

    Michael Ripper

    Marine Jumper

15. Mercy Haystead

    Claudine

16. 

    Brian Wilde

    Bill

17. 

    Harold Goodwin

    Wal

18. David Aylmer

    Navigating Officer

19. 

    Richard Briers

    'Popeye' Lewis

20. 

    Marie Devereux

    (uncredited)

21. 

    Ian Holm

    Marine (uncredited)

Crew 11