Penn is a two-time Academy Award winner for his roles in "Mystic River" and "Milk." He is known for his political and social activism, most notably his criticism of the George W. Bush administration and his humanitarian work in the aftermath of Hurricane Katrina and the 2010 Haiti earthquake. Penn's decade-long marriage to actress Robin Wright ended in 2011. —XFINITY Entertainment Staff (Photo by Larry Busacca/Getty Images)
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