Scott Eastwood was 19 in Flags of Our Fathers when he played the character 'Lundsford'.
That was over 18 years ago in 2006.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 38, and has starred in 35 movies in total, 32 of those since Flags of Our Fathers was released.
In Flags of Our Fathers, I think Scott Eastwood looks: