Trailer
Cast
John Clements
Lieutenant Cranford
Judy Campbell
Lucy Armitage
Allan Jeayes
Commander Blount
Michael Wilding
Dot
Harold Warrender
Lt. Commander Martin
John Glyn-Jones
Mate
Edward Rigby
Mr. Matthews
Clive Brook
Captain Tom Armitage
Bryan Herbert
Signals Yeoman
Harry Terry
Sailor
David Hutcheson
Captain Sandeman
George Carney
Bates
Hay Petrie
Minesweeper Skipper
Alec Clunes
Bit Part
Anton Diffring
U-Boat Officer
Patrick Holt
Holt
Maire O'Neill
Mary Hogan
Edward Chapman
Captain Eckersley
Penelope Dudley-Ward
Mabel
Mervyn Johns
His Mate
John Wengraf
Commander Deutschland
Charles Farrell
Walker
John Laurie
Gates
Albert Lieven
Commander U.37
Stewart Granger
Sutton
George Benson
Parker