Jimmy Bennett was 6 in I Want a Dog for Christmas, Charlie Brown when he played the character 'Rerun Van Pelt'.
That was over 20 years ago in 2003.
Today he is 28, and has starred in 28 movies in total, 26 of those since I Want a Dog for Christmas, Charlie Brown was released.
In I Want a Dog for Christmas, Charlie Brown, I think Jimmy Bennett looks: