Nicholas Braun was 12 in Walter and Henry when he played the character 'Henry'.
That was over 23 years ago in 2001.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 36, and has starred in 30 movies in total, 28 of those since Walter and Henry was released.
In Walter and Henry, I think Nicholas Braun looks: