Being an actor, imitating to the point of inhabiting the lives of others, may simply be a way of continuing to do what I learned to do as a boy - to travel, mentally and physically.
At the end of the 19th century and the first half of the 20th century in Austria, there was a lot of anti-Semitism. Anti-Semitism in Austria was much more pervasive than in Germany. And Austrians took to Nazi ideas and anti-Semitism much more readily than Germans did, really.
Travel is one of the best anti-war weapons that there are. I've been to Iran, and if you're there you see little kids, cops, old people, cemeteries. Once you see that, you can't say, 'Oh, Iran, let's bomb them.'
I try to research or make up for myself what happened in any character's life. From when he was born until the first page of the script. I fill in the blanks.