Jon Favreau is a well-known writer, actor and director who has directed such films as Iron Man 1 and 2, Elf, Made, and Chef, just to name a few. He's also the director of Walt Disney's The Jungle Book, which comes out April 15. Jimmy sat down with him to discuss his comedy days in Chicago, what tools he uses from his improv training to write his films, and working with Bill Murray on The Jungle Book.