Career
He started acting at the age of five, appearing in Dominos Pizza television commercials and a guest appearance on the popular sitcom Full House. Later came The Boys Are Back. After two years on the daytime drama General Hospital and guest appearances on Emergency and The Magnificent Seven, Cooper moved on to play along beside Jim Carrey in Liar Liar.
After starring in the Menace Strikes Again as the mischievous Mitchell, Justin also appeared on the sitcom Brother"s Keeper.
He was popular in this role, and was nominated for Best Performance in a television Comedy Series, Supporting Male Young Actor, 1998 Youth in Film He currently works as a producer on Fox Sports Radio. As of 2015 he is Executive producer for the Ben Maller show on Fox Sports Radio on weeknights.