That was over 15 years ago in 2007.
Today he is 40, and has starred in 47 movies in total, 23 since Zodiac was released.
In Zodiac, I think Jake Gyllenhaal looks:
Zodiac scores 7.3 out of 10 on The Movie Database.
Jake Gyllenhaal's first acting role was as 'Danny Robbins' in City Slickers, released in 1991 when he was 10.