Tom Cruise chats with ET's Nischelle Turner about performing arguably 'the most dangerous stunts in his career' in 'Mission: Impossible - Dead Reckoning, Part One.' The actor opens up about how he prepared for the stunt and reflects on how being part of the 'Mission: Impossible' franchise is a childhood dream come true. Tom also dishes on his life mantra and reacts to Scarlett Johansson telling ET he's the one actor she still wants to work with. 'Mission: Impossible -- Dead Reckoning Part One' hits theaters on July 12.