Colin Farrell was 18 in Frankie Starlight when he played the character 'Young Man In Cinema No. 2'.
That was over 28 years ago in 1995.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 47, and has starred in 63 movies in total, 61 of those since Frankie Starlight was released.
In Frankie Starlight, I think Colin Farrell looks: