That was over 25 years ago in 1995.
Today he is 61, and has starred in 88 movies in total, 71 since Heat was released.
In Heat, I think Val Kilmer looks:
Heat scores 7.7 out of 10 on The Movie Database.
Val Kilmer's first acting role was as 'Nick Rivers' in Top Secret!, released in 1984 when he was 24.