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