Chad Michael Murray was 19 in Megiddo: The Omega Code 2 when he played the character 'David Alexander - Age 16'.
That was over 23 years ago in 2001.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 42, and has starred in 35 movies in total, 33 of those since Megiddo: The Omega Code 2 was released.
In Megiddo: The Omega Code 2, I think Chad Michael Murray looks: