Leah CostelloActingNo biography available.Known For3.0The Window2014The Lady in Black2014Fan ClubNo Nerds have favorited Leah Costello yet — be the first.All fan clubsFrom NerdspinFilmographyActor32014The WindowFilmOlívia★ 3.02014The Lady in BlackFilmOlivia2013Masters of SexTVLouise • 1 episodes★ 7.1
