1h 22m
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Today's U-boat terror makes this the year's timeliest picture!
A German submarine is sent to the Orkney Isles in 1917 to sink the British fleet.
Conrad Veidt
Captain Ernst Hardt
Sebastian Shaw
Ashington
Valerie Hobson
The School Mistress
Marius Goring
Lieutenant Felix Schuster
June Duprez
Anne Burnett
Athole Stewart
The Rev. Hector Matthews
Agnes Lauchlan
Mrs. Matthews
Helen Haye
Mrs. Sedley
Cyril Raymond
The Rev. John Harris
Hay Petrie
Engineer
Robert Rendel
Admiral
Mary Morris
Chauffeuse
Torin Thatcher
Submarine Officer
Esma Cannon
Maggie
Cyril Chamberlain
Bit Part (uncredited)
Bryan Herbert
Corporal Guarding POW's on Ferry
Skelton Knaggs
German Sailor looking for Capt. Hardt
Howard Marion-Crawford
German Officer in Kieler Hof Hotel
Bernard Miles
Hans - Hotel Receptionist
John Penrose
Newlywed at Kiel Hotel
Johnnie Schofield
Armed Guard of POWs on Ferry
Graham Stark
Bell Boy (uncredited)
Jack Lambert
Passport Official (uncredited)