TQOTD: Oscar Quiz

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All of the actors listed below have won Oscars, but only one of them has won an Oscar for acting. Who was it? Bonus: Can you identify what the others won their Oscars for?

Mel Gibson
Ben Affleck
Christine Lahti
Clint Eastwood
Emma Thompson
Matt Damon
Kevin Costner
Robert Redford



Emma Thompson won an Oscar for Best Actress for Howard's End. (She also has a Best Adapted Screenplay Oscar for Sense and Sensibility.) None of the others have won acting Oscars. They won for:

Mel Gibson: Best Director, and as producer, Best Picture for Braveheart
Ben Affleck & Matt Damon: Best Original Screenplay for Good Will Hunting
Christine Lahti: Best Live-Action Short Film for Lieberman in Love
Clint Eastwood: Best Director, and as producer, Best Picture for Unforgiven
Kevin Costner: Best Director, and as producer, Best Picture for Dances With Wolves
Robert Redford: Best Director for Ordinary People

Source: IMdB.com