That was over 12 years ago in 2007.
Today he is 39, and has starred in 25 movies in total, 16 since Knocked Up was released.
In Knocked Up, I think Jason Segel looks:
Knocked Up scores 6.1 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.
Find DVDs, posters and memorabilia about Knocked Up on Amazon.