This unnamed baby was the first child to play Jack Jr. Before a child was actually shown Jack Jr was being played by a doll. This child wasn't on much and was quickly replaced by an older child.
Jack and Nick Ravo quickly took over the role of Jack Jr when Jack Sr returned to town. before that Jack was seen as a newborn unamed baby who played him. And was usually talked about but never seen. That is till the Ravo twins joined. From that day on we got to see much more of Jack Jr
Micah and Jacob Reeves joined the cast for a few episodes after the Ravo twins were let go. They fit perfect with their long blond hair and cheeky smiles. The boys didn't stay long but haven't been a stranger to being on stage. They can be seen in a Kleenex commercial.The Reeves twins Continued in the role of Jack Jr till the whole family left to London on September 22 2006. Since leaving days the boys continue to work. They recently did a tide commercial that can be found in the video's sectionMemorable Quotes

Four Christmases
Marley & me
Bedtime Stories
Home Movie
Ghost Whisperer
Big Love
Lost S05
11:11
Land of the Lost
Imagine That
Astro Boy
A Christmas Carol
Labor Pains
Love at First Hiccup
Opposite Day
Sweet Flame
Malevolence: Bereavemeny
Southern Baptist Sissies
S Darko
Twixter
Meteor: Path of destruction
Perfect 10
The Spy Next Door
Jack and the Beanstalk
Winged Creatures
Mississippi Damned
Pheobe in Wonderland
Burning Palms
FootSteps
The Trouble with Cali
Magic
Out Numbered
The Kings of Appletown
The Oaks