List of 84th Academy Award winners List of the 84th Annual Academy Award winners announced Sunday: Best Picture: "The Artist." Actor: Jean Dujardin, "The Artist." Actress: Meryl Streep, "The Iron Lady." Supporting Actor: Christopher Plummer, "Beginners." Directing: Michel Hazanavicius, "The Artist." Adapted Screenplay: Alexander Payne, Nat Faxon and Jim Rash, "The Descendants." Original Screenplay: Woody Allen, "Midnight in Paris." Animated Feature Film: "Rango." Sound Mixing: "Hugo." Sound Editing: "Hugo." Original Score: "The Artist." Original Song: "Man or Muppet" from "The Muppets." Documentary Feature: "Undefeated." Documentary Short: "Saving Face." Film Editing: "The Girl With the Dragon Tattoo." Animated Short Film: "The Fantastic Flying Books of Mr. Morris Lessmore." Live Action Short Film: "The Shore." Visual Effects: "Hugo."