Gael Garc铆a Bernal was 16 in De Tripas, Coraz贸n when he played an uncredited character.
That was over 28 years ago in 1996.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 45, and has starred in 62 movies in total, 58 of those since De Tripas, Coraz贸n was released.
In De Tripas, Coraz贸n, I think Gael Garc铆a Bernal looks: