Robert Oliveri was -16 in Three Girls in Paris when he played an uncredited character.
That was over 61 years ago in 1963.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 46, and has starred in 7 movies in total, 6 of those since Three Girls in Paris was released.
In Three Girls in Paris, I think Robert Oliveri looks: