Spy In Black, The (a.k.a. U-Boat 29) - (1939) - A Traitor And A Drunkard

Scotland, 1917, German submarine captain Hardt (Conrad Veidt) is the guest of Valerie Hobson, a German spy posing as the new schoolmistress, about to introduce him to the traitor Ashington (Sebastian Shaw) and plans to sink the British fleet, in Michael Powell’s The Spy In Black (a.k.a U-Boat 29), 1939.