Mark LangActingNo biography available.Known For1.5The Black Crystal1990Fan ClubNo Nerds have favorited Mark Lang yet — be the first.All fan clubsFrom NerdspinFilmographyActor31990The Black CrystalFilmDaniel★ 1.51989Hey DudeTVThe Pilot • 1 episodes★ 7.01989Hey DudeTVFenton Smith • 1 episodes★ 7.0
