A beautiful Russian spy seduces an Austrian military officer in order to obtain secret plans. When she falls in love with him, both are placed in danger.
Greta Garbo
as Tania Fedorova
Conrad Nagel
as Capt. Karl von Raden
Gustav von Seyffertitz
as General Boris Alexandroff
Albert Pollet
as Max Heinrich
Edward Connelly
as Colonel Eric von Raden
Richard Alexander
as General's Aide
Symona Boniface
as Party Guest (uncredited)
Geraldine Dvorak
as Party Guest (uncredited)
Nicholai Konovaloff
as Officer Standing at Tania's Table (uncredited)
William H. O'Brien
as Cafe Waiter Serving Wine (uncredited)
Russ Powell
as Carriage Driver (uncredited)
Youcca Troubetzkov
as Russian (uncredited)
