How Hayley Atwell and Vanessa Kirby Kept Up With Tom Cruise for Mission Impossible Stunts (Exclusive)

Hayley Atwell and Vanessa Kirby chat with ET's Nischelle Turner about their film ‘Mission: Impossible - Dead Reckoning Part One,’ in theaters July 12. They share what it was like working with Tom Cruise and how they prepared for their MI7 stunts.