laim ▁for ▁her ▁performance ▁as ▁Ar l ena ▁Marshall ▁in ▁the ▁film ▁adaptation ▁of ▁Ag ath a ▁Christ ie ' s ▁Ev il ▁Under ▁the ▁Sun , ▁sharing ▁bar bs ▁with ▁her ▁character ' s ▁old ▁rival , ▁played ▁by ▁Mag gie ▁Smith . ▁ ▁She ▁appeared ▁as ▁Reg an , ▁the ▁king ' s ▁tre acher ous ▁second ▁daughter , ▁in ▁a ▁Gran ada ▁Television ▁production ▁of ▁King ▁Lear ▁( 1 9 8 3 ), ▁which ▁star red ▁Laur ence ▁Oliv ier ▁in ▁the ▁title ▁role . ▁As ▁Lady ▁D ed lock ▁she ▁cost ar red ▁with ▁Den holm ▁Elli ott ▁in ▁a ▁television ▁version ▁of ▁Dick ens ' ▁Ble ak ▁House ▁( B BC , ▁ 1 9 8 5 ), ▁and ▁played ▁the ▁Ev il ▁Queen , ▁Snow ▁White ' s ▁evil ▁ste pm other , ▁in ▁the ▁C annon ▁Movie ▁T ales ' s ▁film ▁adaptation ▁of ▁Snow ▁White ▁( 1 9 8 7 ). ▁In ▁ 1 9 8 9 ▁she ▁played ▁Hel ena ▁V ese y ▁in ▁Mother ▁Love ▁for ▁the ▁BBC ; ▁her ▁port ray al ▁of ▁an ▁obs ess ive ▁mother ▁who ▁was ▁prepared ▁to ▁do ▁anything , ▁even ▁murder , ▁to ▁keep ▁control ▁of ▁her ▁son ▁won ▁R igg ▁the ▁ 1 9 8 9 ▁B AF TA ▁for ▁Best ▁Television ▁Act ress . ▁ ▁In ▁ 1 9 9 5 , ▁she ▁appeared ▁in ▁a ▁film ▁adaptation ▁for ▁television ▁based ▁on ▁Daniel le ▁Ste el ' s ▁Zo ya ▁as ▁Ev gen ia