John Krasinski chats with ET’s Rachel Smith at the premiere for ‘Fountain of Youth,’ streaming May 23 on Apple TV+. The actor shares if his kids have seen the action-adventure film and reacts to brother-in-law Stanley Tucci also being in the movie. Plus, John reacts to his co-star, Domhnall Gleeson, starring in ‘The Office’ spin-off series, ‘The Paper,’ and shares if he would be down to make an appearance on the show.