That was over 14 years ago in 2008.
Today he is 42, and has starred in 42 movies in total, 14 since Milk was released.
In Milk, I think Diego Luna looks:
Milk scores 7.2 out of 10 on The Movie Database.
Diego Luna's first acting role was as 'Tenoch Iturbide' in Y Tu Mamá También, released in 2002 when he was 22.