That was over 18 years ago in 2004.
Today he is 38, and has starred in 35 movies in total, 33 since Six Shooter was released.
In Six Shooter, I think Domhnall Gleeson looks:
Six Shooter scores 7.5 out of 10 on The Movie Database.
Domhnall Gleeson's first acting role was as 'Cashier' in Six Shooter, released in 2004 when he was 20.