Matt Damon writes screenplays.
Matthew Paige Damon ( [ ˈdeɪmən ] born October 8 , 1970 ) is an American actor , film producer , and screenwriter . He came to prominence in 1997 when he wrote and starred in Good Will Hunting alongside Ben Affleck , which won them the Academy and Golden Globe awards for Best Screenplay , and earned Damon a nomination for the Academy Award for Best Actor .