John O'CallaghanActingNo biography available.Known For8.0Stargate Atlantis20044.9Never Met Picasso19977.1We Were the Mulvaneys20026.8Deep in My Heart1999Fan ClubNo Nerds have favorited John O'Callaghan yet — be the first.All fan clubsFrom NerdspinFilmographyActor52004Stargate AtlantisTVNiam • 3 episodes★ 8.02002We Were the MulvaneysFilmAbelove★ 7.12001The AgencyTVDeclan Berwick • 1 episodes★ 7.11999Deep in My HeartFilmPriest★ 6.81997Never Met PicassoFilmPaul★ 4.9
