That was over 19 years ago in 2002.
Today he is 50, and has starred in 82 movies in total, 56 since The Bourne Identity was released.
In The Bourne Identity, I think Matt Damon looks:
The Bourne Identity scores 7.3 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.