Tadanobu Asano was 15 in Swimming Upstream when he played an uncredited character.
That was over 34 years ago in 1990.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 50, and has starred in 123 movies in total, 120 of those since Swimming Upstream was released.
In Swimming Upstream, I think Tadanobu Asano looks: