Breckin Meyer was 15 in Camp Cucamonga when he played the character 'Cody'.
That was over 33 years ago in 1990.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 49, and has starred in 51 movies in total, 50 of those since Camp Cucamonga was released.
In Camp Cucamonga, I think Breckin Meyer looks: