▁with ▁a ▁screen play ▁adapted ▁by ▁ ▁from ▁the ▁novel . ▁A ▁hand ful ▁of ▁scenes ▁from ▁the ▁book ▁surv ived , ▁including ▁John ' s ▁or de al ▁in ▁the ▁church ▁crypt ▁with ▁the ▁remains ▁of ▁Black be ard ▁( here ▁renamed ▁Red be ard ), ▁and ▁his ▁descent ▁into ▁the ▁well ▁to ▁retrieve ▁the ▁diam ond , ▁but ▁the ▁movie ▁alter ed ▁the ▁novel ' s ▁plot ▁substantial ly . ▁Among ▁other ▁major ▁changes , ▁its ▁young ▁hero ▁was ▁given ▁the ▁newly ▁invent ed ▁ro gue ▁gentleman ▁Jer emy ▁Fox ▁for ▁a ▁ment or ▁( play ed ▁by ▁Stewart ▁Gr anger ), ▁while ▁the ▁role ▁of ▁the ▁working ▁class ▁El ze vir ▁Block ▁was ▁reduced ▁to ▁leading ▁a ▁group ▁of ▁the ▁sm ug gl ers ▁seeking ▁to ▁kill ▁John . ▁Lang ' s ▁film ▁has ▁enjoyed ▁some ▁c ach et ▁among ▁French ▁film ▁critics . ▁ ▁In ▁ 1 9 6 3 ▁the ▁BBC ▁a ired ▁a ▁ 5 - ep is ode ▁radio ▁series ▁of ▁Moon f le et ▁adapted ▁by ▁Mor na ▁Stuart ▁and ▁produced ▁by ▁Br andon ▁Act on - B ond . ▁ ▁In ▁ 1 9 6 4 ▁the ▁BBC ▁fil med ▁a ▁ 6 - ep is ode ▁TV ▁adaptation ▁under ▁the ▁title ▁Sm ug gl ers ' ▁Bay , ▁st arring ▁future ▁Doctor ▁Who ▁stars ▁Fra zer ▁H ines ▁and ▁Patrick ▁Tr ought on ▁as ▁John ▁T rench ard ▁and ▁Rat sey , ▁respectively . ▁It ▁started ▁air ing ▁on ▁BBC 1 ▁on ▁