That was over 20 years ago in 2001.
Today he is 66, and has starred in 104 movies in total, 81 since The Mexican was released.
In The Mexican, I think J.K. Simmons looks:
The Mexican scores 5.7 out of 10 on The Movie Database.
J.K. Simmons' first acting role was as 'Patrolman in Park' in Popeye Doyle, released in 1986 when he was 31.