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