During WWI a German agent receives an order to find out when the Russian army will carry out its expected attack against the German lines.
Brigitte Helm
Vera Lanskaja
Willy Fritsch
Thomas Higgins
Oskar Homolka
Lanskoi
Theodor Loos
Dubbin
Karl Ludwig Diehl
Wasiljeff
Harry Hardt
Kaulwitz
Eduard von Winterstein
Head of Intelligence
Alfred Beierle
Sokaluk
