That was over 20 years ago in 2002.
Today he is 64, and has starred in 64 movies in total, 27 since Ice Age was released.
In Ice Age, I think Denis Leary looks:
Ice Age scores 7.2 out of 10 on The Movie Database.
Denis Leary's first acting role was as 'Jake' in Strictly Business, released in 1991 when he was 34.