Tom Welling was 25 in Cheaper by the Dozen when he played the character 'Charlie Baker'.
That was over 19 years ago in 2003.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 45, and has starred in 6 movies in total, 5 of those since Cheaper by the Dozen was released.
In Cheaper by the Dozen, I think Tom Welling looks: