杰克·霍金斯

Jack Hawkins

饰：Ericson

唐纳德·辛顿

Donald Sinden

饰：Lockhart

约翰·斯特拉顿

John Stratton

饰：Ferraby

丹霍姆·艾略特

Denholm Elliott

饰：Morell

John Warner

饰：Baker

斯坦利·贝克

Stanley Baker

饰：Bennett

布鲁斯·西顿

Bruce Seton

饰：Tallow

利亚姆·雷德蒙

Liam Redmond

饰：Watts

弗吉尼亚·麦肯娜

Virginia McKenna

饰：Julie Hallam

莫伊拉·利斯特

Moira Lister

饰：Elaine Morell

久妮·索伯恩

June Thorburn

饰：Doris Ferraby

梅格斯·詹金斯

Megs Jenkins

饰：Tallow's sister

梅雷迪思·爱德华兹

Meredith Edwards

饰：Yeoman Wells

格林·休斯顿

Glyn Houston

饰：Phillips

亚历克·马克温

Alec McCowen

饰：Tonbridge

里奥·菲利普斯

Leo Phillips

饰：Wainwright

Dafydd Havard

饰：Signalman Rose

弗雷德·格里菲思

Fred Griffiths

饰：Gracey

Laurence Hardy

饰：Sellars

山姆·基德

Sam Kydd

饰：Carslake

John Singer

饰：Gray

Barry Steele

饰：Broughton

杰拉德·海因茨

Gerard Heinz

饰：Polish captain

Gerik Schjelderup

饰：Norwegian captain

Gaston Richer

Gaston Richer

饰：French captain

安德鲁·克鲁克香克

Andrew Cruickshank

饰：Scott Brown

Barry Letts

饰：Raikes

Kenn Kennedy

Kenn Kennedy

饰：Allingham

乔治·寇松

George Curzon

饰：Admiral at party

Anthony Snell

Anthony Snell

饰：R.N. lieutenant

Ronald Simpson

饰：R.N. captain

唐·夏普

Don Sharp

饰：Lieutenant-Commander

Herbert C. Walton

饰：The waiter

Jack Howard

饰：A survivor

拉塞尔·沃特斯

Russell Waters

饰：A.R.P. warden

Harold Jamieson

饰：A.R.P. warden

Warwick Ashton

Warwick Ashton

饰：Petty Officer instructor

沃尔特·菲茨杰拉德

Walter Fitzgerald

饰：Warden (uncredited)

Arthur Bentley

Arthur Bentley

饰：Radar Operator (uncredited)

Paddy Joyce

饰：Sonar Operator (uncredited)

理查德·利奇

Richard Leech

饰：Sailor (uncredited)

David Gideon Thomson

David Gideon Thomson

饰：A.S.D.I.C. Officer (uncredited)

艾伦·韦布

Alan Webb

饰：Admiral Murray-Forbes (uncredited)

Harold Goodwin

Harold Goodwin