Erik Per Sullivan has kept his personal life private since retiring from acting - however, he was recently spotted in public for the first time in 18 years. On Wednesday, March 26, Per Sullivan, 33, who played Dewey on Malcolm in the Middle from 2000 to 2006,

Erik Per Sullivan used to be on TV all the time as a star on the hit 2000s sitcom "Malcolm In The Middle" ... but he vanished from Hollywood for nearly two decades, and now he's finally been spotted in his new life.

Sullivan shot to fame all the way back in the year 2000, after being cast as 'Dewey' in the much-loved sit-com Malcolm in the Middle. He appeared on the FOX show for six years alongside his on-screen big brother, Frankie Muniz, who plays the titular character.