Rodrigo Santoro was 21 in Como Ser Solteiro when he played an uncredited character.
That was over 26 years ago in 1998.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 48, and has starred in 48 movies in total, 47 of those since Como Ser Solteiro was released.
In Como Ser Solteiro, I think Rodrigo Santoro looks: