Lucas Till was 12 in The Adventures of Ociee Nash when he played the character 'Harry Vanderbilt'.
That was over 20 years ago in 2004.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 33, and has starred in 30 movies in total, 29 of those since The Adventures of Ociee Nash was released.
In The Adventures of Ociee Nash, I think Lucas Till looks: