Guillermo del Toro was 28 in Cronos when he played the character 'Man Walking Dog (uncredited)'.
That was over 30 years ago in 1993.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 59, and has starred in 60 movies in total, 59 of those since Cronos was released.
In Cronos, I think Guillermo del Toro looks: