▁the ▁produ cers ▁had ▁" t aken ▁their ▁trip ▁to ▁Norway " ▁and ▁took ▁" the ▁entire ▁culture ▁in " ▁to ▁make ▁this ▁" fun ▁home ▁movie ." ▁She ▁added ▁that ▁Lee ▁had ▁draft ed ▁personal ▁journ als ▁in ▁character ▁as ▁El sa ▁and ▁Anna ▁" for ▁months ▁to ▁try ▁and ▁figure ▁out ▁[ what ▁they ' d ▁say ] ". ▁From ▁the ▁Sc and in avia ▁research ▁trip , ▁the ▁production ▁team ▁derived ▁the ▁important ▁insight ▁( as ▁par ap hr ased ▁by ▁An imation ▁Magazine ) ▁that ▁" E ls a ▁is ▁very ▁clearly ▁a ▁myth ic ▁hero ▁who ▁takes ▁on ▁the ▁world ▁and ▁the ▁world ’ s ▁problems ▁with ▁super natural ▁powers , ▁while ▁Anna ▁is ▁a ▁fair yt ale ▁hero ▁who ▁is ▁human ▁and ▁lives ▁in ▁a ▁world ▁that ’ s ▁surrounded ▁by ▁magic , ▁but ▁she ▁doesn ’ t ▁possess ▁magic ▁herself ." ▁They ▁also ▁realized ▁that ▁what ▁makes ▁the ▁original ▁Fro zen ▁so ▁powerful ▁is ▁how ▁it ▁comb ines ▁these ▁two ▁different ▁types ▁of ▁stories . ▁ ▁In ▁March ▁ 2 0 1 8 , ▁Lee ▁said ▁in ▁an ▁interview ▁that ▁she ▁was ▁doing ▁the ▁second ▁draft ▁out ▁of ▁six ▁draft s , ▁which ▁she ▁referred ▁as ▁" six ▁screen ings ". ▁In ▁July ▁ 2 0 1 8 , ▁it ▁was ▁announced ▁that ▁E van ▁Rach el ▁Wood ▁and ▁Ster ling ▁K . ▁Brown ▁had ▁entered ▁tal ks ▁to ▁join ▁the ▁cast ▁in ▁und is closed ▁roles . ▁In ▁August ▁ 2 0 1 8 ,