Nathan Kress was 5 in Babe: Pig in the City when he played the character 'Easy / Tough Pup (voice)'.
That was over 25 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 31, and has starred in 11 movies in total, 10 of those since Babe: Pig in the City was released.
In Babe: Pig in the City, I think Nathan Kress looks: