Ross Malinger was 5 in Kindergarten Cop when he played the character 'Harvey'.
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 39, and has starred in 13 movies in total, 12 of those since Kindergarten Cop was released.
In Kindergarten Cop, I think Ross Malinger looks: