Teddy Sears was 29 in Firehouse Dog when he played the character 'Terence Kahn'.
That was over 17 years ago in 2007.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 47, and has starred in 12 movies in total, 11 of those since Firehouse Dog was released.
In Firehouse Dog, I think Teddy Sears looks: