That was over 12 years ago in 2007.
Today he is 31, and has starred in 47 movies in total, 34 since Juno was released.
In Juno, I think Michael Cera looks:
Juno scores 7 out of 10 on The Movie Database.
Michael Cera's first acting role was as 'Taylor' in Switching Goals, released in 1999 when he was 11.
Find DVDs, posters and memorabilia about Juno on Amazon.