Rory McCann was 29 in Ratcatcher when he played the character 'Gordon (uncredited)'.
That was over 24 years ago in 1999.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 55, and has starred in 18 movies in total, 17 of those since Ratcatcher was released.
In Ratcatcher, I think Rory McCann looks: