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