
During World War I, a female agent tries to unmask a German spy.

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)

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