Da ‧ mon, Matt /ˈdeɪmən, mæt/ BrE AmE
(1970–) an American actor whose films include Good Will Hunting , Saving Private Ryan , and The Talented Mr Ripley . He and actor Ben Affleck wrote Good Will Hunting for which they each won an Oscar in 1997. He is best known for playing the character Jason Bourne in the series of three Bourne films.