In which film is P.T. Barnum a character?

In which film is Elton John a character? Who played Bob Dylan in 'A Complete Unknown'? In which film is Bob Dylan a character? Who played P.T. Barnum in 'The Greatest Showman'? Who played Jean Valjean in 'Les Misérables'? Who played Fantine in 'Les Misérables'? Who played Satine in 'Moulin Rouge!'? Who played Jay Gatsby in 'The Great Gatsby'?