<Li> Todd Giebenhain as Richie, Francis' friend </Li> <Li> Cameron Monaghan, Danny McCarthy, and Amy Bruckner as Dewey's special - ed class friends </Li> <Li> Tania Raymonde as Cynthia, a Krelboyne girl who had a crush on Malcolm but left for Europe and later returned . Her dad is played by Fred Sanders . </Li> <Li> Hayden Panettiere as Jessica, a girl hired to babysit Reese, Malcolm, and Dewey who later ends up living on their couch temporarily after her dad is arrested . Jessica is shown to be a very manipulative girl, once showing Malcolm how to emotionally manipulate Lois . She had been known to play tricks on Reese and Malcolm . Despite this, Jessica has a crush on Malcolm and has shown that she can be a loyal friend . </Li>

Difference between malcolm in the middle and the middle