Blair MastbaumActing • 1979-01-24 • Dayton, Ohio, USANo biography available.Known For5.0Ellie Parker20056.0Ellie Parker20016.0It Takes Three2021Fan ClubNo Nerds have favorited Blair Mastbaum yet — be the first.All fan clubsFrom NerdspinFilmographyActor3Writing1Camera1Upcoming12021It Takes ThreeFilmTeacher★ 6.02005Ellie ParkerFilmSmash Jackson★ 5.02001Ellie ParkerFilmSmash Jackson★ 6.0