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
Capt. Kugler
Colonel
