▁appearing ▁in ▁a ▁number ▁of ▁short ▁films , ▁Marsh ▁land ed ▁one ▁of ▁her ▁most ▁important ▁roles ▁in ▁S ven g ali ▁opposite ▁John ▁Barry more . ▁Marsh ▁was ▁chosen ▁by ▁Barry more ▁for ▁the ▁role ▁of ▁Tr il by . ▁Barry more , ▁who ▁had ▁selected ▁her ▁partly ▁because ▁she ▁res emble d ▁his ▁wife , ▁co ached ▁her ▁performance ▁throughout ▁the ▁picture ' s ▁film ing . ▁S ven g ali ▁was ▁based ▁on ▁the ▁ 1 8 9 4 ▁novel ▁Tr il by ▁written ▁by ▁George ▁du ▁Maur ier . ▁A ▁popular ▁play , ▁like wise ▁titled ▁Tr il by , ▁followed ▁in ▁ 1 8 9 5 . ▁ ▁In ▁the ▁film ▁version , ▁Marsh ▁plays ▁the ▁artist ' s ▁model ▁Tr il by , ▁who ▁is ▁transformed ▁into ▁a ▁great ▁opera ▁star ▁by ▁the ▁sin ister ▁hyp not ist , ▁S ven g ali . ▁The ▁word ▁" S ven g ali '" ▁has ▁entered ▁the ▁English ▁language , ▁defining ▁a ▁person ▁who , ▁with ▁sometimes ▁evil ▁intent , ▁tries ▁to ▁persu ade ▁another ▁to ▁do ▁what ▁he ▁des ires . ▁ ▁Marsh ▁was ▁awarded ▁the ▁title ▁of ▁W AMP AS ▁Baby ▁Stars ▁in ▁August ▁ 1 9 3 1 ▁even ▁before ▁her ▁second ▁movie ▁with ▁Warner ▁Brothers ▁was ▁released . ▁With ▁her ▁ability ▁to ▁project ▁warm th , ▁sin cer ity ▁and ▁inner ▁strength ▁on ▁the ▁screen ▁along ▁with ▁critical ▁pra ise ▁and ▁the ▁audience ' s ▁appro val ▁of ▁S ven g ali , ▁she ▁continued