<P> Ross Aaron Malinger (born July 7, 1984) is an American actor . He is best known for his roles as Jonah Baldwin in the 1993 movie Sleepless in Seattle, starring Tom Hanks, and as Bobby Jameson in the 1997 Disney comedy film Toothless, starring Kirstie Alley . He and Alley both co-starred in the 1995 television film Peter and the Wolf . He played Adam Lippman, the Bar Mitzvah boy who liked Elaine's "Shiksa appeal", in the Seinfeld episode "The Serenity Now". </P> <P> Malinger was born in Redwood City, California, the son of Laura, a producer, and Brian Malinger, a producer and sales representative . </P> <P> Malinger co-starred with Jean - Claude Van Damme in the 1995 film Sudden Death . </P> <P> He provided the original voice of T.J. Detweiler on the animated series Recess . He did not reprise the role in the next seasons, as he was replaced by Andrew Lawrence . He was a recurring character on the teen drama Party of Five . </P>

Who plays the little boy in sleepless in seattle