Gordon was born in New York City, the son of Barbara, an actress, and Mark Gordon, an actor and stage director. He grew up in an atheistJewish family and was inspired to become an actor at the age of twelve, after seeing James Earl Jones in a Broadway production of Of Mice and Men. As an actor, Gordon's first feature film was in the 1978 sequel film Jaws 2, as the class clown Doug, then his 1979 turn as the young Joe Gideon (Roy Scheider) in All That Jazz. His film credits include the 1980 erotic thriller Dressed to Kill, the 1983 horror film Christine (in the role of Arnie Cunningham, the teen who buys Christine and falls under the car's influence), the 1985 cult film The Legend of Billie Jean as Lloyd Muldaur, the son of a District Attorney who aspires to be Attorney General, the 1986 Mark Romanek classic Static (for which he wrote the screenplay), and the 1986 comedy movie Back to School, as Jason Melon. In these movies he is most known for playing a nerd. He was named number 1 in Cinematicals' Top 7 Most Convincing Nerds. His most recent onscreen film appearance was in 2001, in the movie Delivering Milo.
Director (episodes Truth Be Told, The Dark Defender, Morning Comes, Our Father, All In The Family, Do You Take Dexter Morgan, Dirty Harry, Lost Boys, In The Beginning)/Actor (Kyle Butler #2, episode Hello, Dexter Morgan)