Trivia: Col. von Stauffenberg is inspired to use Operation Valkyrie to assassinate Hitler while listening to Richard Wagner's "Ride of the Valkyries". Stauffenberg actually disliked Wagner's music.
Trivia: One of von Tresckow's aides is played by Philipp von Schulthess, the grandson of Claus von Stauffenberg. In the film, Stauffenberg's wife is pregnant with Philipp's mother.