Valerie Hobson
The School Mistress
Conrad Veidt
Captain Ernst Hardt
Helen Haye
Mrs. Sedley
Bernard Miles
Hans - Hotel Receptionist
Torin Thatcher
Submarine Officer
Cyril Raymond
The Rev. John Harris
Graham Stark
Bell Boy (uncredited)
Sebastian Shaw
Ashington
Howard Marion-Crawford
German Officer in Kieler Hof Hotel
Marius Goring
Lieutenant Felix Schuster
June Duprez
Anne Burnett
Esma Cannon
Maggie
John Penrose
Newlywed at Kiel Hotel
Skelton Knaggs
German Sailor looking for Capt. Hardt
Cyril Chamberlain
Bit Part (uncredited)
Jack Lambert
Passport Official (uncredited)
Athole Stewart
The Rev. Hector Matthews
Hay Petrie
Engineer
Mary Morris
Chauffeuse
Johnnie Schofield
Armed Guard of POWs on Ferry
Robert Rendel
Admiral
Bryan Herbert
Corporal Guarding POW's on Ferry