Oberst Alfred Redl heads the military intelligence department of the Austro-Hungarian monarchy. Frequent letters from the Russian Empire, however, make him suspect of sharing his knowledge with unauthorized authorities.
Oberst Redl
Nadeschda
Hauptmann Angelis
Leutnant Zeno von Baumgarten
Gräfin Lichtenfels
Pauline von Heymeneck
Chef des Generalstabes, von Heymeneck
Dr. Hartmuth
Oberst Rabansky
Baron Letten
Leopold, Diener bei Lichtenfels
Steindl
Rittmeister Weidler
General Maximoff
Sabrenin
Baron Korff
Ebinger