Otto Hartmann was an Austrian actor and Gestapo informer.
Der weiße Traum
as Poldi
Judgement Day
as Junger Ehemann
Three on a Honeymoon
Burg Theatre
as vorsprechender Schauspieler
Singende Jugend
as Schmidt, Kapellmeister
A Devil of a Fellow
Suburban Cabaret
as Leutnant von Daffinger
Madame Bluebeard
as Baron Terhausen
Stormy Night
The Case of Colonel Redl
as Stephan Dolan, Ulanenleutnant
The Vagrant
as Provisor
Die Jugend am Scheideweg
as Hans
Vater Radetzky
as Lorenz Hauser
Bright Eyes
as Marcel
