Sean Penn has won best supporting actor Oscar for “One Battle After Another.” The actor previously won two Academy Awards for best actor for Clint Eastwood’s “Mystic River” in 2004 and for portraying Harvey Milk in Gus Van Sant’s “Milk” in 2009. His performance in Paul Thomas Anderson’s political drama “One Battle After Another” adds another acclaimed role to a career defined by intense and transformative performances. Other nominees in the category Sunday included Delroy Lindo, Benicio Del Toro, Jacob Elordi and Stellan Skarsgård.
