Jackie Chan was 7 in The 7 Tyrants of Jiangnan when he played the character 'Kid (as Yuen Lau)'.
That was over 61 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 70, and has starred in 204 movies in total, 202 of those since The 7 Tyrants of Jiangnan was released.
In The 7 Tyrants of Jiangnan, I think Jackie Chan looks: