ing ▁his ▁grave , ▁leaving ▁flowers ▁and ▁some ▁baseball ▁cards ▁by ▁his ▁head stone ▁and ▁a ▁voice - over ▁by ▁Rock y ▁himself , ▁who ▁rec ites ▁the ▁poem ▁he ▁wrote ▁for ▁English ▁class ▁earlier ▁in ▁the ▁film . ▁ ▁Cast ▁Cher ▁as ▁Florence ▁" R ust y " ▁Dennis , ▁Rock y ' s ▁mother . ▁Sam ▁Elli ott ▁as ▁Gar , ▁a ▁member ▁of ▁Rock y ' s ▁motor cycle ▁family ▁who ▁acts ▁as ▁a ▁father ▁figure ▁and ▁occas ional ▁pe ac em aker ▁between ▁Rock y ▁and ▁R ust y , ▁who ▁is ▁based ▁on ▁Bern ie ▁T ull is . ▁Eric ▁St olt z ▁as ▁Roy ▁L . ▁" R ock y " ▁Dennis , ▁a ▁kid ▁who ▁has ▁c ran iod ia phy se al ▁d ys pl asia . ▁His ▁make up ▁was ▁provided ▁by ▁Michael ▁West more ▁and ▁Z ol tan ▁Ele k . ▁Est elle ▁Get ty ▁as ▁Ev ely n ▁Stein berg , ▁R ust y ' s ▁mother ▁and ▁Rock y ' s ▁grand m other . ▁Richard ▁D ys art ▁as ▁A be ▁Stein berg , ▁R ust y ' s ▁father ▁and ▁Rock y ' s ▁grand father . ▁Laura ▁D ern ▁as ▁D iana ▁Adams , ▁a ▁blind ▁girl ▁who ▁becomes ▁Rock y ' s ▁love ▁interest . ▁M icole ▁Mercur io ▁as ▁B abe ▁Harry ▁Care y , ▁Jr . ▁as ▁Red ▁Dennis ▁Bur k ley ▁as ▁Do zer ▁Barry ▁T ub b ▁as ▁De we y ▁Lawrence ▁Mon