Barry John ByrneActingNo biography available.Known For7.5Once Upon a Time in Dublin2009The Neon Spectrum2017Fan ClubNo Nerds have favorited Barry John Byrne yet — be the first.All fan clubsFrom NerdspinFilmographyActor22017The Neon SpectrumFilmWanda2009Once Upon a Time in DublinFilmBrawler★ 7.5