8 decades of Oscars' best leading men

Published On: Feb 09 2012 01:35:59 PM CST   Updated On: Feb 17 2015 04:45:59 PM CST

On Sunday the Oscar for Best Actor will be awarded. Take a look back at all of the previous winners since 1929.

Sean Penn in 'Milk'
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2008: Sean Penn - "Milk"

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