Mar Cruel
VoltarElenco
Jack HawkinsEricson
Donald SindenLockhart
Denholm ElliottMorell
John StrattonFerraby
Stanley BakerBennett
Liam RedmondWatts
Meredith EdwardsYeoman Wells
Bruce SetonTallow
John WarnerBaker
Barry LettsRaikes
Gerard HeinzPolish Captain
Fred GriffithsGracey
Glyn HoustonPhillips
Virginia McKennaJulie Hallam
Megs JenkinsTallow's Sister
June ThorburnDoris Ferraby
Moira ListerElaine Morell
Alec McCowenTonbridge- Leo PhillipsWainwright
- Dafydd HavardSignalman Rose
Laurence HardySellars
Sam KyddCarslake
John SingerGray- Barry SteeleBroughton
- Gerik SchjelderupNorwegian Captain
- Gaston RicherFrench Captain
Andrew CruickshankScott Brown- Kenn KennedyAllingham
Harold GoodwinASDIC Operator
George CurzonAdmiral at Party- Anthony SnellR.N. Lieutenant
- Ronald SimpsonR.N. Captain
Don SharpLieutenant-Commander- Herbert C. WaltonThe Waiter
- Jack HowardA Survivor
Russell WatersA.R.P. Warden- Harold JamiesonA.R.P. Warden
- Warwick AshtonPetty Officer Instructor
Walter FitzgeraldWarden (sem créditos)
Paddy JoyceSonar Operator (sem créditos)
Richard LeechSailor (sem créditos)
Jim BradySailor in Water
Alan WebbAdmiral Murray-Forbes (sem créditos)
