Winners Christian Bale (Best Supporting Actor), Natalie Portman (Best Actress), Melissa Leo (Best Supporting Actress), and Colin Firth (Best Actor in a Leading Role). Rick Salyer / ©A.M.P.A.S. Mar. 4, 2011 Facebook Twitter Reddit Print Winners Christian Bale (Best Supporting Actor), Natalie Portman (Best Actress), Melissa Leo (Best Supporting Actress), and Colin Firth (Best Actor in a Leading Role). Rick Salyer / ©A.M.P.A.S.