That was over 14 years ago in 2007.
Today she is 35, and has starred in 38 movies in total, 34 since Capturing Mary was released.
In Capturing Mary, I think Gemma Arterton looks:
Capturing Mary scores 6 out of 10 on The Movie Database.
Gemma Arterton's first acting role was as 'Liza' in Capturing Mary, released in 2007 when she was 21.