That was over 4 years ago in 2015.
Today he is 22, and has starred in 18 movies in total, 5 since X+Y was released.
In X+Y, I think Asa Butterfield looks:
X+Y scores 6.6 out of 10 on The Movie Database.
Asa Butterfield's first acting role was as 'Andrew' in After Thomas, released in 2006 when he was 9.
Find DVDs, posters and memorabilia about X+Y on Amazon.