Cast
Michael Wilding
Flags
Dora Gregory
Mrs. Lemmon
James Donald
Doc
John Mills
Ordinary Seaman Blake / Shorty Blake
Hubert Gregg
Pilot
Walter Fitzgerald
Colonel Lumsden
Penelope Dudley-Ward
Maureen
Celia Johnson
Mrs. Kinross / Alix
Ballard Berkeley
Engineer Commander
Geoffrey Hibbert
Joey Mackeridge
Ann Stephens
Lavinia Kinross
Bernard Miles
Chief Petty Officer Hardy / Walter Hardy
Wally Patch
Uncle Fred
Michael Anderson
Albert Fosdick
Juliet Mills
Freda's Baby
Kay Walsh
Freda Lewis / Freda
Kay Young
Barmaid
George Carney
Mr. Blake
Philip Friend
Torps
Richard Attenborough
Young Stoker
Frederick Piper
Edgecombe
Leslie Dwyer
Parkinson
Daniel Massey
Bobby Kinross
Joyce Carey
Mrs. Hardy / Kath
John Singer
Moran
Johnnie Schofield
Coxswain
Kathleen Harrison
Mrs. Blake
Everley Gregg
Nurse
Leslie Howard
Narrator (voice) (uncredited)