Jesse Eisenberg wrote the lead role in The Debut specifically for Julianne Moore.The 42-year-old star has written and directed the musical comedy flick - which centres a shy woman who loses herself in the world of theatre after being unexpectedly cast in a production of an original musical - and confessed that he would have been "screwed" had the Far from Heaven star declined a part in the flick.Speaking at the Karlovy Vary International Film Festival in the Czech Republic, Eisenberg said: "I was thinking, 'If she doesn’t do this movie, it won’t get made, because she’s the only person...