Seann William Scott was 19 in Born Into Exile when he played the character 'Derek'.
That was over 27 years ago in 1997.
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 44 movies in total, 41 of those since Born Into Exile was released.
In Born Into Exile, I think Seann William Scott looks: