Who played Dom Cobb in 'Inception'?

In which film is Jack Dawson 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 Frank Abagnale Jr. in 'Catch Me If You Can'? Who played Hugh Glass in 'The Revenant'? In which film is Hugh Glass a character? In which film is Neo a character?