Ericson
Lockhart
Ferraby
Morell
Baker
Bennett
Tallow
Watts
Julie Hallam
Elaine Morell
Doris Ferraby
Tallow's Sister
Yeoman Wells
Phillips
Tonbridge
Wainwright
Signalman Rose
Gracey
Sellars
Carslake
Gray
Broughton
Polish Captain
Norwegian Captain
French Captain
Scott Brown
Raikes
Allingham
ASDIC Operator
Admiral At Party
R.N. Lieutenant
R.N.Captain
Lieutenant-Commander
The Waiter
A Survivor
A.R.P. Warden
Petty Officer Instructor
Briefing Room Officer (uncredited)
Radar Operator (uncredited)
Sailor in Water (uncredited)
Seaman (uncredited)
Warden (uncredited)
Party Guest (uncredited)
Sonar Operator (uncredited)
Sailor (uncredited)
Lady at Party (uncredited)
Officer (uncredited)
A.S.D.I.C. Officer (uncredited)
Admiral Murray-Forbes (uncredited)