Brian Gleeson was 17 in The Tiger's Tail when he played the character 'Connor O'Leary'.
That was over 17 years ago in 2006.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 35, and has starred in 25 movies in total, 24 of those since The Tiger's Tail was released.
In The Tiger's Tail, I think Brian Gleeson looks: