▁In ▁ 1 9 9 8 ▁she ▁appeared ▁as ▁Sue ▁Ellen ▁Gro gan ▁in ▁the ▁BBC ▁TV ▁series ▁B ally k iss angel ▁and , ▁in ▁ 2 0 0 0 , ▁in ▁the ▁role ▁of ▁Eva ▁Joy ce ▁in ▁the ▁movie ▁N ora ▁co - st arring ▁E wan ▁McG reg or . ▁Her ▁US ▁television ▁roles ▁have ▁included ▁Trace y ▁in ▁Law ▁and ▁Order : ▁C riminal ▁Intent ▁in ▁ 2 0 0 3 , ▁Sister ▁Mary ▁Michael ▁in ▁Stephen ▁S oder berg h ' s ▁The ▁Kn ick ▁for ▁Cin em ax ▁( 2 0 1 5 ) ▁and ▁the ▁role ▁of ▁M um ▁in ▁The ▁Ex or c ist ▁for ▁Fox ▁TV ▁( 2 0 1 7 ). ▁ ▁She ▁has ▁appeared ▁off - B road way ▁at ▁The ▁Irish ▁Re pert ory ▁Theatre ' s ▁produ ctions ▁of ▁Same ▁Old ▁Moon ▁( 1 9 9 5 ), ▁Jun o ▁and ▁the ▁Pay cock ▁( 1 9 9 5 ), ▁Sh adow ▁of ▁a ▁Gun man ▁( 1 9 9 9 ), ▁E cli ps ed ▁( 2 0 0 0 ), ▁P igt own ▁( 2 0 0 1 ), ▁Play boy ▁of ▁the ▁Western ▁World ▁( 2 0 0 1 ) ▁and ▁the ▁ 2 0 th ▁anni versary ▁production ▁of ▁Dan cing ▁at ▁L ug hn asa ▁( 2 0 1 2 ) ▁and ▁The ▁Dead ▁ 1 9 0 4 ▁( 2 0 1 6 ) ▁at ▁the ▁American ▁Irish ▁Historical ▁Society . ▁Play w