J.K. Simmons was 53 in Aliens in the Attic when he played the character 'Skip (voice)'.
That was over 15 years ago in 2009.
Today he is 69, and has starred in 131 movies in total, 79 of those since Aliens in the Attic was released.
In Aliens in the Attic, I think J.K. Simmons looks: