A German submarine is sent to the Orkney Isles in 1917 to sink the British fleet.
Directed by: Michael Powell
Cast: Conrad Veidt, Sebastian Shaw, Valerie Hobson, Marius Goring, June Duprez, Athole Stewart, Agnes Lauchlan, Helen Haye, Cyril Raymond, George Summers, Hay Petrie, Grant Sutherland
Genres: Spy, Thriller, War
Rating: 6.4/10