The new film "Gravity" spent years in development -- and saw many stars in the lead roles that Sandra Bullock and George Clooney snagged.
It's hard to believe that any one else could play up the same desperation as Sandra Bullock does in the promos that are shown. However, that was nearly almost the case.
Natalie Portman was one of the promising names discussed to step into Dr. Ryan Stone's shoes. Back then "Black Swan" was all the rage, and it was receiving fantastic reviews for Portman. Of course this role would lead Portman to win her Oscar for Best Lead Actress, but apparently Portman had other plans and declined the role.
Next up is Angelina Jolie, whose involvement came in 2010 and she was on the top of the director's list for the lead role. In the end the two couldn't make it work out and Jolie was out of the project.