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)
24 September 1964
7 December 1942
13 June 1941
26 May 1943
20 September 1968
6 October 2016
27 November 1961
7 January 1943
15 January 1947
20 December 1968
6 September 2010
24 July 1960
15 July 1956
21 February 1950
2 September 2022
18 November 2021
25 October 2019
15 January 2014
1 January 1964
5 November 2013
3 August 1939