Yuen Wah was 11 in The 7 Tyrants of Jiangnan when he played an uncredited character.
That was over 62 years ago in 1962.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 73, and has starred in 156 movies in total, 155 of those since The 7 Tyrants of Jiangnan was released.
In The 7 Tyrants of Jiangnan, I think Yuen Wah looks: