Months later, however, von Kleist was approached again by von Stauffenberg to take part in what would become known as the July 20 plot for the day in 1944 that the assassination was attempted which was brought to the big screen in 2008 in "Valkyrie, " starring Tom Cruise as von Stauffenberg.

NPR: Last Survivor Of Plot To Kill Hitler Dies At 90

Col von Stauffenberg - played by Tom Cruise in the 2008 film of the plot, Valkyrie - placed the bomb in a conference room where Hitler was meeting his officials inside the "Wolf's Lair", Hitler's command post in East Prussia.

BBC: Hitler assassination plotter Von Kleist dies