Eugenio Derbez was 20 in Por un vestido de novia when he played an uncredited character.
That was over 40 years ago in 1983.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 61, and has starred in 38 movies in total, 35 of those since Por un vestido de novia was released.
In Por un vestido de novia, I think Eugenio Derbez looks: