Carl acted as a child and young teen, with appearances in the movie Monster Squad on Family Ties, Benson, Square One TV (a "Mathnet" serial), and Cheers. He was a regular on Hearts Afire (as George Gaynes' office assistant) and recurred on Life Goes on. More recently, he appeared on CSI: Miami and King of Queens. As a voice actor, Carl's soft, youthful tones were used on the animated series Defenders of the Earth (Kshin), Denver the Last Dinosaur (Wally and Jeremy), Peter Pan & the Pirates (Nibs), and in an episode of Batman: The Animated Series.