Zac Efron was 14 in Melinda's World when he played the character 'Stuart Wasser'.
That was over 21 years ago in 2003.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 36, and has starred in 49 movies in total, 43 of those since Melinda's World was released.
In Melinda's World, I think Zac Efron looks: