Actor · DirectorErik Per SullivanJuly 12, 1991(32 years old)Worcester, Massachusetts, USAErik Per Sullivan (born July 12, 1991) is an American actor best known for his role as Dewey, the younger brother to middle child Malcolm, on the FOX series, Malcolm in the Middle which was on air for 7 years.SocialsTwitterIMDbKnown forMalcolm in the MiddleDeweyFinding NemoSheldon (voice)UnfaithfulCharlie SumnerThe Cider House RulesFuzzyThe King of QueensYoung ArthurArthur and the InvisiblesBaby Bug / Mino (voice)Joe DirtLittle Joe DirtChristmas with the KranksSpike Frohmeyer