Chang Chen was 13 in A Brighter Summer Day when he played the character 'Xiao Si'r (Zhang Zhen)'.
That was over 33 years ago in 1991.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 47, and has starred in 47 movies in total, 44 of those since A Brighter Summer Day was released.
In A Brighter Summer Day, I think Chang Chen looks: