That was over 5 years ago in 2016.
Today he is 57, and has starred in 78 movies in total, 4 since Dirty Grandpa was released.
In Dirty Grandpa, I think Dermot Mulroney looks:
Dirty Grandpa scores 5.7 out of 10 on The Movie Database.
Dermot Mulroney's first acting role was as 'Tim McGary' in Sin of Innocence, released in 1986 when he was 22.