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10. Johnny Galecki - This actor, who plays Leonard Hofstadter on CBS' 'The Big Bang Theory,' earned about the same as his co-star Jim Parsons - $8 million, between May 2011 and May 2012, according to Forbes, which placed him in 10th place on its list of Highest-Paid Actors of 2012.
In 2011, Galecki also played himself on three episodes of the HBO drama series 'Entourage' and starred in the movie 'In Time' with Justin Timberlake and Amanda Seyfried.
(Pictured: Johnny Galecki talks to OnTheRedCarpet.com on Dec. 15, 2011 at a Los Angeles party to celebrate the 100th episode of CBS series 'The Big Bang Theory.'