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