That was over 10 years ago in 2011.
Today he is 50, and has starred in 49 movies in total, 15 since Green Lantern was released.
In Green Lantern, I think Peter Sarsgaard looks:
Green Lantern scores 5.1 out of 10 on The Movie Database.
Peter Sarsgaard's first acting role was as 'Walter Delacroix' in Dead Man Walking, released in 1995 when he was 24.