Nicholas Tse was 16 in Young and Dangerous: The Prequel when he played the character 'Chan Ho-Nam'.
That was over 26 years ago in 1998.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 43, and has starred in 60 movies in total, 57 of those since Young and Dangerous: The Prequel was released.
In Young and Dangerous: The Prequel, I think Nicholas Tse looks: