Dax Shepard was 27 in Cheaper by the Dozen when he played the character 'Camera Crew Member'.
That was over 20 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 49, and has starred in 26 movies in total, 25 of those since Cheaper by the Dozen was released.
In Cheaper by the Dozen, I think Dax Shepard looks: