Video! Behind the Scenes with Tom Cruise on 'Ghost Protocol'

Tom Cruise is known for doing his own stunts, and in the latest "Mission: Impossible" installment, "Ghost Protocol," the stunts look particularly death-defying!

Take a look at this behind-the-scenes sneak peek of Cruise dangling from a suspension cord and then running up, down and sideways along the tallest building in the world, the Burj Khalifa in Dubai!

"Mission: Impossible - Ghost Protocol" races into theaters December 21.