POPSUGAR Entertainment George Clooney George Clooney to Star in Gravity With Sandra Bullock George Clooney Replaces Robert Downey Jr., Boards Gravity by Entertainment 12/16/10 4 Shares Like us on Facebook Sign up for our daily newsletter > Breaking casting news! The sci-fi film Gravity, which has already played musical chairs with its leading ladies (Sandra Bullock is now finally locked in to star), is swapping its leading man as well. Though Robert Downey Jr. was originally signed on as the film's main guy, the latest word is that George Clooney will be taking his place in the movie. Hey, if you can't have your first pick, Clooney is definitely an excellent second option! Image Source: WireImage Read More GravityMovie NewsGeorge ClooneyMovies George Clooney The Sweetest Moments of Amal and George Clooney's Year — So Far! 27 Dresses That Look Great Next to Your Significant Other's Casual Jeans and Tee Brace Yourself For George and Amal Clooney's Crazy-Sexy Date Night Prankster George Clooney Gets His Good Pals Cindy Crawford and Rande Gerber POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Be in the Know With OurCelebrity and Entertainment Newsletter Personalize TV Young Hollywood A-Listers Movies Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR.