Zac Efron was 19 in High School Musical 3: Senior Year when he played the character 'Troy Bolton'.
That was over 16 years ago in 2008.
Today he is 36, and has starred in 49 movies in total, 34 of those since High School Musical 3: Senior Year was released.
In High School Musical 3: Senior Year, I think Zac Efron looks: