Diretor/a
Charles Frend
DIRETOR/A
Elenco (na ordem dos créditos)
Jack Hawkins
Ericson
Donald Sinden
Lockhart
John Stratton
Ferraby
Denholm Elliott
Morell
John Warner
Baker
Stanley Baker
Bennett
Bruce Seton
Tallow
Liam Redmond
Watts
Virginia McKenna
Julie Hallam
Moira Lister
Elaine Morell
June Thorburn
Doris Ferraby
Megs Jenkins
Tallow's Sister
Meredith Edwards
Yeoman Wells
Glyn Houston
Phillips
Alec McCowen
Tonbridge
Leo Phillips
Wainwright
Dafydd Havard
Signalman Rose
Fred Griffiths
Gracey
Laurence Hardy
Sellars
Sam Kydd
Carslake
John Singer
Gray
Barry Steele
Broughton
Gerard Heinz
Polish Captain
Gerik Schjelderup
Norwegian Captain
Gaston Richer
French Captain
Andrew Cruickshank
Scott Brown
Barry Letts
Raikes
Kenn Kennedy
Allingham
Harold Goodwin
ASDIC Operator
George Curzon
Admiral At Party
Anthony Snell
R.N. Lieutenant
Ronald Simpson
R.N.Captain
Don Sharp
Lieutenant-Commander
Herbert C. Walton
The Waiter
Jack Howard
A Survivor
Russell Waters
A.R.P. Warden
Harold Jamieson
Warwick Ashton
Petty Officer Instructor
William Baskiville
Briefing Room Officeruncredited
Arthur Bentley
Radar Operatoruncredited
Jim O'Brady
Sailor in Wateruncredited
Jack Dearlove
Seamanuncredited
Walter Fitzgerald
Wardenuncredited
Joan Ingram
Party Guestuncredited
Paddy Joyce
Sonar Operatoruncredited
Richard Leech
Sailoruncredited
Aileen Lewis
Lady at Partyuncredited
Fred Machon
Jack Mandeville
Paddy Smith
Officeruncredited
David Gideon Thomson
A.S.D.I.C. Officeruncredited
Alan Webb
Admiral Murray-Forbesuncredited