John Krasinski chats with ET’s Rachel Smith at the New York City premiere of ‘IF,’ in theaters on May 17. The actor, who wrote, directed, produced and starred in the film, shares his excitement about it reaching audiences soon. He also jokingly responds to rumors that Brad Pitt is the imaginary friend, Keith, in the movie. Plus, John weighs in on ‘The Office’ reboot, and if there’s any chance he might be returning as Jim Halpert.
