Cast
A German submarine is sent to the Orkney Isles in 1917 to sink the British fleet.
Conrad Veidt (Acting)
Sebastian Shaw (Acting)
Valerie Hobson (Acting)
Marius Goring (Acting)
June Duprez (Acting)
Athole Stewart (Acting)
Helen Haye (Acting)
Cyril Raymond (Acting)
Hay Petrie (Acting)
Robert Rendel (Acting)
Mary Morris (Acting)
Torin Thatcher (Acting)
Esma Cannon (Acting)
Cyril Chamberlain (Acting)
Bryan Herbert (Acting)
Skelton Knaggs (Acting)
Howard Marion-Crawford (Acting)
Bernard Miles (Acting)
John Penrose (Acting)
Johnnie Schofield (Acting)
Graham Stark (Acting)
Jack Lambert (Acting)
20 June 1940
5 April 1941
26 August 1939
24 March 1955
17 April 1951
11 November 1928
4 May 2023
25 November 2015
25 August 2013
17 July 2009
18 December 1998
8 November 2019
22 July 2004
6 April 2019
9 December 2022
27 July 2018
2 February 2009
19 April 2018
24 January 2020
18 March 1997
3 August 1939