That was over 15 years ago in 2006.
Today he is 42, and has starred in 35 movies in total, 14 since Lucky Number Slevin was released.
In Lucky Number Slevin, I think Josh Hartnett looks:
Lucky Number Slevin scores 7.5 out of 10 on The Movie Database.
Josh Hartnett's first acting role was as 'John Tate' in Halloween: H20, released in 1998 when he was 20.