Moisés Arias was 11 in Nacho Libre when he played the character 'Juan Pablo'.
That was over 17 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 29, and has starred in 29 movies in total, 27 of those since Nacho Libre was released.
In Nacho Libre, I think Moisés Arias looks: