That was over 10 years ago in 2011.
Today she is 49, and has starred in 48 movies in total, 11 since Our Idiot Brother was released.
In Our Idiot Brother, I think Emily Mortimer looks:
Our Idiot Brother scores 6 out of 10 on The Movie Database.
Emily Mortimer's first acting role was as 'Lass' in Sharpe's Sword, released in 1995 when she was 23.