That was over 14 years ago in 2007.
Today he is 42, and has starred in 60 movies in total, 41 since Live Free or Die Hard was released.
In Live Free or Die Hard, I think Justin Long looks:
Live Free or Die Hard scores 6.4 out of 10 on The Movie Database.
Justin Long's first acting role was as 'Brandon' in Galaxy Quest, released in 1999 when he was 21.