Brendan Gleeson was 33 in Dear Sarah when he played the character 'Brendan Dowd'.
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 68, and has starred in 89 movies in total, 86 of those since Dear Sarah was released.
In Dear Sarah, I think Brendan Gleeson looks: