George Clooney through the years

Published On: Feb 14 2012 09:21:24 AM CST   Updated On: May 06 2014 09:11:26 AM CDT

As he celebrates his birthday, take a look at images of George Clooney throughout his career.

George Clooney, ER photo
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Warner Bros. TV

He continued getting small parts in TV shows until he landed the role of Dr. Doug Ross in the NBC drama "ER." The role launched him to fame and he spent nearly five years on the show before leaving in 1999.

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