The mastermind behind a ubiquitous spy operation learns of a dangerous romance between a Russian lady in his employ and a dashing agent from the government's secret service.

Rudolf Klein-Roggeas Haghi
Gerda Maurusas Sonya Baranilkowa
Lien Deyersas Kitty
Louis Ralphas Hans Morrier
Willy Fritschas No. 326
Paul Hörbigeras Franz, Chauffeur von "No. 326"
Fritz Raspas Col. Jellusic - Ivan Stepanov
Craighall Sherryas Burton Jason / Miles Jason
Hertha von Waltheras Lady Leslane
Lupu Pickas Dr. Masimoto