seanpenn Brad Pitt's costar in "The Tree of Life" Best Actor of 2003 Aimee Mann's brother-in-law 2008 Harvey Milk portrayer "Mystic River" star who's helping to build sustainable programs in Haiti: 2 wds "Mystic River" costar "Milk" star, 2008 He played himself in "Being John Malkovich" "Mystic River" co-star, 2003 Oscar winner for "Mystic River" and "Milk" "Milk" man Half of a 1980s power couple Co-screenwriter and star of "The Gunman"