Complete list of winners at the 81st annual Academy Awards, presented Sunday night at the Kodak Theatre in Los Angeles: • Motion Picture: "Slumdog Millionaire." • Actor: Sean Penn, "Milk." • Actress: Kate Winslet, "The Reader." • Supporting Actor: Heath Ledger, "The Dark Knight." • Supporting Actress: Penelope Cruz, "Vicky Cristina Barcelona." • Director: Danny Boyle, "Slumdog Millionaire." • Foreign Film: "Departures," Japan.