Paul Rudd Encouraged br Leonardo DiCaprio br to Star in 'Titanic' When DiCaprio was filming br the 1996 film, 'Romeo + Juliet,' br he told Rudd about an offer to br star in James Cameron's 1997 movie. Rudd advised him to go for it. Paul Rudd, on 'The Graham Norton Show' Rudd revealed that DiCaprio still hadn't made br up his mind about the movie at the time, but he is taking some of the credit for DiCaprio's decision to take on the role of Jack Dawson.