A Polish officer works undercover in 1930s Berlin to discover Nazi Germany's plans against his homeland.
Willy Birgel
as Rittmeister Igor Wronski
Elisabeth Flickenschildt
as Jadwiga, seine Schwester
Antje Weisgerber
as Illse von Jagstfeld
Ilse Steppat
as Leonore von Cronberg
Irene von Meyendorff
as Liane von Templin
Claus Holm
as Dornbusch
Olga Tschechowa
as Frau von Eichhoff
Rudolf Forster
as Oberst Maty
Ernst Schröder
as Stepan
Marina Ried
as Susi im RWM
Ernst Stahl-Nachbaur
as deutscher Abwehrgeneral
Hilde Körber
as Gefangenenaufseherin
