Lewis Pullman was 22 in Where You Are when he played the character 'Adult James'.
That was over 8 years ago in 2016.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 31, and has starred in 20 movies in total, 15 of those since Where You Are was released.
In Where You Are, I think Lewis Pullman looks: