That was over 16 years ago in 2005.
Today he is 57, and has starred in 78 movies in total, 38 since The Family Stone was released.
In The Family Stone, I think Dermot Mulroney looks:
The Family Stone scores 6.1 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.