Cast 19

1. 

   Richard Attenborough

   Dripper Daniels

2. 

   James Donald

   Lt. Richard Jennings, No. 1

3. 

   Sonny Tufts

   Yank Flanagan

4. 

   Trevor Howard

   Lt. Cmdr Hugh Alginon Fraser

5. 

   Bernard Lee

   A.S. 'Stripey' Wood

6. 

   Dora Bryan

   Glad Flanagan

7. 

   Hugh Williams

   Captain David G. Wilson

8. 

   Robin Bailey

   Lt. Michael Grant, Pilot

9. 

   Meredith Edwards

   Jones

10. 

    John Forrest

    Appleby the Captain's Steward

11. 

    Patric Doonan

    Petty Officer Martin

12. 

    Sid James

    Ned Hardy, Landlord Golden Bull

13. Harold Siddons

    Adm. Bartlett

14. 

    William Russell

    Crewman

15. 

    Joan Rice

    June Mallory, WRNS cypher officer

16. Peter Bathurst

    Commander C.E. Spencer

17. 

    Charles Lloyd Pack

    Captain R. G. Bates (Board of Inquiry)

18. Chris Adcock

    Crewman (uncredited)

19. 

    Tim Turner

    Crewman (uncredited)

Crew 16