Casting

Director

Charles Frend

Producer

Leslie Norman

Screenplay

Eric Ambler

Novel

Nicholas Monsarrat

Director of Photography

Gordon Dines

Editor

Peter Tanner

Art Direction

Jim Morahan

Makeup Artist

Sidney Turner

Hairstylist

Barbara Barnard

Camera Operator

Chic Waterson

Jack Hawkins
Jack HawkinsEricson
Donald Sinden
Donald SindenLockhart
Denholm Elliott
Denholm ElliottMorell
John Stratton
John StrattonFerraby
Stanley Baker
Stanley BakerBennett
Liam Redmond
Liam RedmondWatts
Meredith Edwards
Meredith EdwardsYeoman Wells
Bruce Seton
Bruce SetonTallow
John Warner
John WarnerBaker
Barry Letts
Barry LettsRaikes
Gerard Heinz
Gerard HeinzPolish Captain
Fred Griffiths
Fred GriffithsGracey
Glyn Houston
Glyn HoustonPhillips
Virginia McKenna
Virginia McKennaJulie Hallam
Megs Jenkins
Megs JenkinsTallow's Sister
June Thorburn
June ThorburnDoris Ferraby
Moira Lister
Moira ListerElaine Morell
Alec McCowen
Alec McCowenTonbridge
?
Leo PhillipsWainwright
?
Dafydd HavardSignalman Rose
Laurence Hardy
Laurence HardySellars
Sam Kydd
Sam KyddCarslake
John Singer
John SingerGray
?
Barry SteeleBroughton
?
Gerik SchjelderupNorwegian Captain
?
Gaston RicherFrench Captain
Andrew Cruickshank
Andrew CruickshankScott Brown
?
Kenn KennedyAllingham
Harold Goodwin
Harold GoodwinASDIC Operator
George Curzon
George CurzonAdmiral at Party
?
Anthony SnellR.N. Lieutenant
?
Ronald SimpsonR.N. Captain
Don Sharp
Don SharpLieutenant-Commander
?
Herbert C. WaltonThe Waiter
?
Jack HowardA Survivor
Russell Waters
Russell WatersA.R.P. Warden
?
Harold JamiesonA.R.P. Warden
?
Warwick AshtonPetty Officer Instructor
Walter Fitzgerald
Walter FitzgeraldWarden (uncredited)
Paddy Joyce
Paddy JoyceSonar Operator (uncredited)
Richard Leech
Richard LeechSailor (uncredited)
Jim Brady
Jim BradySailor in Water
Alan Webb
Alan WebbAdmiral Murray-Forbes (uncredited)