Steven James "Steve" Zahn is an American actor and comedian. His early roles were split between movies, touring companies of Broadway shows, and TV shows. He toured as Hugo with the Barry Weissler production of Bye Bye Birdie with Tommy Tune, Ann Reinking, and Marc Kudisch. He played Duncan Sullivan in an episode of Friends. He appeared in several films in the mid-1990s, including That Thing You Do!, You've Got Mail, and Out of Sight.
He, along with Andrea Anders, portray Ronnie and Amber LaFontaine, a "horrible" family who moves in next door to the Dunphy family.