The German version
I remember seeing the 1955 version of Der Letzte Akt (Hitler: The Last Ten Days)
directed by none other than G.W. Pabst! It starred Albin Skoda as Hitler and Oskar Werner of the 'Jules et Jim' fame! Is this a lost version?
In case you're not aware of it still : http://www.youtube.com/watch?v=6vdBxwmDpAU
"Memory is a wonderful thing if you don't have to deal with the past"