That was over 12 years ago in 2009.
Today he is 66, and has starred in 104 movies in total, 59 since Jennifer's Body was released.
In Jennifer's Body, I think J.K. Simmons looks:
Jennifer's Body scores 5.3 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.