That was over 12 years ago in 2009.
Today he is 42, and has starred in 66 movies in total, 50 since Adventureland was released.
In Adventureland, I think Bill Hader looks:
Adventureland scores 6.3 out of 10 on The Movie Database.
Bill Hader's first acting role was as 'Eric' in The Pity Card, released in 2006 when he was 28.