The internet has spoken! Buzz is all around that M. Night Shyamalan has begun casting roles his upcoming, live-action film, “Avatar: The Last Airbender”. The movie, which is based on Nickelodeon’s animated super-hit series, has already cast Aang, Sokka, Katara, and maybe even Zuko. So exciting! The flick will hit theaters in July of 2010, but it’s good to hear progress is already being made.