That was over 15 years ago in 2006.
Today he is 36, and has starred in 18 movies in total, 14 since High School Musical was released.
In High School Musical, I think Lucas Grabeel looks:
High School Musical scores 6.3 out of 10 on The Movie Database.
Lucas Grabeel's first acting role was as 'Ethan' in Halloweentown High, released in 2004 when he was 19.