When war is declared in 1914, glamorous Russian Carla Vanirska manages to get to Vienna from Luxembourg, with the help of Captain Rudolph Ritter of the Austrian army. Meanwhile, Ritter is assigned to detect the identity of a spy.
Constance Bennett
Gilbert Roland
Edward Ellis
Lucien Prival
Ben Hendricks Jr.
Leonid Snegoff
John Wray
Mischa Auer
Evelyn Carter Carrington
Sam Godfrey