That was over 12 years ago in 2009.
Today he is 41, and has starred in 25 movies in total, 14 since I Love You, Man was released.
In I Love You, Man, I think Jason Segel looks:
I Love You, Man scores 6.5 out of 10 on The Movie Database.
Jason Segel's first acting role was as 'Matt' in Can't Hardly Wait, released in 1998 when he was 18.