Curiosidades

The "central communications center" (teleprinter room), which appears several times in this movie, is a highly accurate depiction. Nearly thirty historically correct original teleprinter machines of various types were used. Some were provided by collector and technical consultant Henning Treumann, and some borrowed from other sources. All of the machines were fully operational, and, in the movie, are all printing authentic archival messages from the Nazi era, fed from off-screen teletype machines and notebook computers.

Philipp von Schulthess, who plays Tresckow's aide in this movie, is the grandson of Claus Schenk Graf von Stauffenberg. In the movie, Countess Nina Von Stauffenberg is pregnant with the mother of Philipp von Schulthess.

Initially, Germany's Ministry of Defense would not allow filming on Bendlerblock. They relented after appeals from Tom Cruise and screenwriter and producer Christopher McQuarrie. The entire crew started every night of filming with a moment of silence in memory of the men who gave their lives in the last known assassination attempt against Hitler by Germans.

Much of the movie takes place in the offices of Bendlerblock which served as the offices for the military operations of the Third Reich's military command. The courtyard of Bendlerblock is where Colonel Claus Schenk Graf von Stauffenberg and the other conspirators were executed. Some of the filming of the movie took place at the actual building. This building is now the Memorial to the German Resistance (German: Gedenkstätte Deutscher Widerstand). The statement in the final slide of the movie is from a plaque near the site of execution at the Memorial.

David Bamber, who plays Hitler, imitates Hitler's normal speaking voice very well. He based it off of the only known recording of the German dictator speaking in a conversational tone. It was taken in Finland when Adolf went to visit the Finnish General Mannerheim for his birthday. A radio operator securely recorded part of the conversation, and it is preserved to this day. In it, Hitler speaks with a very deep voice and has his particular Austrian accent -- much different than how he sounds in the recordings of his public orations.