During World War I, a female agent tries to unmask a German spy.
Roy Del RuthDirector
Frances Hawtree / Z-1
Valdar / Schiller / Blecher
Capt. Arthur Chamberlain
Mr. Yates
General Hewlett
Lady Catherine Chamberlain
Sir Winston Chamberlain
'Kirsch' the Decoy (uncredited)
Capt. Kugler (uncredited)
German Colonel (uncredited)
