VIDEO : Director Barry Levinson on HBO Movie Paterno And Al Pacino

Barry Levinson explains the key to getting a great performance from a legend like Al Pacino is casting great actors around him. Out of all the amazing actors he's worked with, he reveals why he's grateful most for how Robert Redford treated him on the set of "The Natural." And Levinson opens up about being on stage when John Oliver brought up Dustin Hoffman's sexual misconduct allegations at an anniversary screening of his movie "Wag the Dog" last December. Oscar-winning director Barry Levinson has been around the movie business for so long he hasn't just worked with both Robert De Niro and Al Pacino, he's worked with them multiple times ? not to mention a whole bunch of other Hollywood legends.