Sean Penn is an American actor. He is best known for winning Academy Award for Best Actor for his movie Milk. He has also acted in Mystic River, I Am Sam, Dead Man Walking and Into the Wild.
Sean Penn was born on August 17, 1960 in Los Angeles. He is the son of actor and director Leo Penn and actress Eileen Ryan. His older brother is musician Michael Penn. His younger brother, actor Chris Penn. Penn was raised in a secular home and attended Santa Monica High School. He began making short films with some of his childhood friends, including actors Emilio Estevez and Charlie Sheen, who lived near his home.