That was over 19 years ago in 2002.
Today he is 51, and has starred in 85 movies in total, 55 since Ice Age was released.
In Ice Age, I think Jack Black looks:
Ice Age scores 7.2 out of 10 on The Movie Database.
Jack Black's first acting role was as 'Roger Davis' in Bob Roberts, released in 1992 when he was 23.