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Robert Downey Jr.

1. Robert Downey Jr. is the top-grossing actor of the year, with $1.5 billion, according to Forbes.CAPTION: Robert Downey Jr. poses as he arrives at the screening of the film "Marvel's The Avengers" for the closing night of the 2012 Tribeca Film Festival in New York April 28, 2012

2012 Year In Review: Top-Grossing Actors of 2012

These stars had the talent and good luck to star in some of the most financially successful films of 2012. Click through to see how much money these stars helped Hollywood earn this year.