Noël Coward
Captain E. V. Kinross R.N. / Captain 'D'
John Mills
Ordinary Seaman Blake / Shorty Blake
Bernard Miles
Chief Petty Officer Hardy / Walter Hardy
Celia Johnson
Mrs. Kinross / Alix
Kay Walsh
Freda Lewis / Freda
Joyce Carey
Mrs. Hardy / Kath
Derek Elphinstone
No. 1
Michael Wilding
Flags
Robert Sansom
Guns
Philip Friend
Torps
Chimmo Branson
Midshipman
Ballard Berkeley
Engineer Commander
Hubert Gregg
Pilot
James Donald
Doc
