37. Do you know that: In the fight for the role of Jack Sparrow, Johnny Depp defeated Michael Keaton, Jim Carrey and Christopher Walken. The names of the main characters – Jack Sparrow, Elizabeth Swann and William Turner – are inspired by famous people… Ornithologists who named the birds so. When Johnny Depp played Jack Sparrow, he took inspiration from Rolling Stones guitarist Keith Richards. Robert De Niro refused to play the lead role in Pirates of the Caribbean because he suspected the movie would be a flop.