That was over 23 years ago in 1997.
Today he is 50, and has starred in 82 movies in total, 73 since The Rainmaker was released.
In The Rainmaker, I think Matt Damon looks:
The Rainmaker scores 6.7 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.