That was over 17 years ago in 2004.
Today he is 50, and has starred in 82 movies in total, 49 since The Bourne Supremacy was released.
In The Bourne Supremacy, I think Matt Damon looks:
The Bourne Supremacy scores 7.2 out of 10 on The Movie Database.
Matt Damon's first acting role was as 'Steamer' in Mystic Pizza, released in 1988 when he was 18.