导演 Charles Frend

Ericson 杰克·霍金斯

Lockhart Donald Sinden

Morell 丹霍姆·艾略特

Ferraby John Stratton

Bennett 斯坦利·贝克

Watts Liam Redmond

Yeoman Wells Meredith Edwards

Tallow Bruce Seton

Baker John Warner

Raikes Barry Letts

Polish Captain Gerard Heinz

Gracey Fred Griffiths

Phillips Glyn Houston

Julie Hallam Virginia McKenna

Tallow's Sister Megs Jenkins

Doris Ferraby June Thorburn

Elaine Morell Moira Lister

Tonbridge 亚历克·马克温

Wainwright Leo Phillips

Signalman Rose Dafydd Havard

Sellars Laurence Hardy

Carslake Sam Kydd

Gray John Singer

Broughton Barry Steele

Norwegian Captain Gerik Schjelderup

French Captain Gaston Richer

Scott Brown Andrew Cruickshank

Allingham Kenn Kennedy

ASDIC Operator Harold Goodwin

Admiral at Party George Curzon

R.N. Lieutenant Anthony Snell

R.N. Captain Ronald Simpson

Lieutenant-Commander Don Sharp

The Waiter Herbert C. Walton

A Survivor Jack Howard

A.R.P. Warden Russell Waters

A.R.P. Warden Harold Jamieson

Petty Officer Instructor Warwick Ashton

Warden (uncredited) Walter Fitzgerald

Sonar Operator (uncredited) Paddy Joyce

Sailor (uncredited) Richard Leech

Sailor in Water Jim Brady

Admiral Murray-Forbes (uncredited) Alan Webb