▁although ▁his ▁singing ▁voice , ▁for ▁the ▁song ▁" I ' ll ▁Make ▁a ▁Man ▁Out ▁of ▁You ", ▁was ▁performed ▁by ▁Don ny ▁O sm ond , ▁who ▁had ▁previously ▁aud ition ed ▁to ▁be ▁the ▁speaking ▁voice ▁of ▁the ▁title ▁character ▁in ▁Her cules . ▁O sm ond ' s ▁casting ▁origin ated ▁from ▁a ▁suggestion ▁from ▁the ▁casting ▁director , ▁and ▁throughout ▁recording , ▁O sm ond ▁studied ▁W ong ' s ▁dialog ue ▁t apes , ▁and ▁aim ed ▁to ▁match ▁his ▁inf lections ▁and ▁person ality . ▁O sm ond ▁commented ▁that ▁his ▁sons ▁decided ▁that ▁he ▁had ▁finally ▁" made ▁it " ▁in ▁show ▁business ▁when ▁he ▁was ▁in ▁a ▁Disney ▁film . ▁Like wise ▁for ▁the ▁role ▁of ▁Grand m other ▁Fa , ▁June ▁For ay ▁provided ▁the ▁speaking ▁voice , ▁and ▁Mar ni ▁N ixon ▁supplied ▁the ▁singing ▁voice . ▁ ▁An imation ▁and ▁design ▁ ▁To ▁achieve ▁a ▁harm on ious ▁visual ▁look , ▁producer ▁designer ▁Hans ▁B acher ▁and ▁art ▁director ▁Ric ▁S lu iter , ▁along ▁with ▁Robert ▁Walker ▁and ▁Head ▁of ▁Background s ▁Robert ▁St anton ▁collabor ated ▁to ▁establish ▁a ▁proper ▁chron ological ▁location ▁for ▁the ▁film ▁in ▁Chinese ▁history . ▁Since ▁there ▁was ▁no ▁general ▁cons ensus ▁on ▁the ▁time ▁of ▁Mul an ' s ▁existence , ▁they ▁based ▁on ▁the ▁visual ▁design ▁on ▁the ▁M ing ▁and ▁Q ing ▁dynast ies . ▁An ▁important ▁element ▁of ▁B acher ' s ▁design ▁was ▁to ▁turn ▁the ▁art ▁style ▁closer