The Austrian Secret Service sends its most seductive agent to spy on the Russians.

Marlene Dietrichas Magda / X27
Victor McLaglenas Colonel Kranau
Gustav von Seyffertitzas Austrian Secret Service Chief
Warner Olandas Colonel von Hindau
Lew Codyas Colonel Kovrin
Barry Nortonas Young Lieutenant - Firing Squad
Max Barwynas Colonel Kranau's Aide
B.F. Blinnas Gambler with Glasses
Allan Cavan
Davison Clark