That was over 26 years ago in 1995.
Today he is 51, and has starred in 26 movies in total, 16 since Batman Forever was released.
In Batman Forever, I think Chris O'Donnell looks:
Batman Forever scores 5.2 out of 10 on The Movie Database.
Chris O'Donnell's first acting role was as 'Chris Macauley' in Men Don't Leave, released in 1990 when he was 19.