In which film is Jack Dawson a character?

Who played Lieutenant Dan Taylor in 'Forrest Gump'? In which film is Andy Dufresne a character? Who played Ellis "Red" Redding in 'The Shawshank Redemption'? In which film is Ellis "Red" Redding a character? Who played Rose DeWitt Bukater in 'Titanic'? In which film is Rose DeWitt Bukater a character? Who played Jordan Belfort in 'The Wolf of Wall Street'? Who played Dom Cobb in 'Inception'?