Best Picture: Slumdog Millionaire

Best Actor: Sean Penn, Milk 

Best Actress: Kate Winslet, The Reader

Best Director: Danny Boyle, Slumdog Millionaire (Watch a video interview)

Best Foreign Language Film: Okuribito

Best Original Song: A.R. Rahman, "Jai Ho," Slumdog Millionaire

Best Original Score: A.R. Rahman, Slumdog Millionaire

Best Achievement in Sound: Ian Tapp, Richard Pryke, Resul Pookutty, Slumdog Millionaire

Best Achievement in Sound Editing: Richard King, The Dark Knight 

Best Achievement in Visual Effects: Eric Barba, Steve Preeg, Burt Dalton, Craig Barron, The Curious Case of Benjamin Button 

Best Documentary, Short Subjects: Megan Mylan, Smile Pinki

Best Documentary, Features: James Marsh, Simon Chinn, Man on Wire 

Best Supporting Actor: Heath Ledger, The Dark Knight

Best Short Film - Live Action: Spielzeugland

Best Achievement in Cinematography: Anthony Dod Mantle, Slumdog Millionaire

Best Achievement in Makeup: Greg Cannom, The Curious Case of Benjamin Button

Best Achievement in Costume Design: Michael O'Connor, The Duchess

Best Achievement in Art Direction: Donald Graham Burt, Victor J. Zolfo, The Curious Case of Benjamin Button

Best Short Film-Animated: Kunio Katô, La Maison en Petits Cubes

Best Animated Feature Film of the Year: Andrew Stanton, WALL-E

Best Adapted Screenplay: Simon Beaufoy, Slumdog Millionaire

Best Original Screenplay: Dustin Lance Black, Milk

Best Supporting Actress: Penélope Cruz, Vicky Cristina Barcelona (Watch a video interview)

To see the winners list by picture, check out the Oscars site.