Slideshow posted in Entertainment News | Wednesday, July 27, 2011
16 of 20:
According to Variety magazine, Robert Downey Jr. was supposed to play the lead role in the 2011 film 'Cowboys and Aliens,' but dropped out because of a previous commitment to star in 'Sherlock Holmes,' released in 2009.
(Pictured: From left, Noomi Rapace, Robert Downey Jr. and Jude Law appear in a scene from the 2011 film 'Sherlock Homes: A Game of Shadows.')
( Photo / Warner Bros. Pictures)