. ▁ ▁In ▁the ▁ 2 0 1 4 ▁BBC ▁Radio ▁dram at isation ▁K arr as ▁is ▁vo iced ▁by ▁Robert ▁Glen ister . ▁ ▁F ict ional ▁bi ography ▁ ▁Dam ien ▁K arr as ▁was ▁born ▁on ▁April ▁ 1 2 , ▁ 1 9 3 3 ▁to ▁a ▁Greek ▁family . ▁He ▁became ▁a ▁Jes uit ▁priest ▁on ▁July ▁ 3 0 , ▁ 1 9 5 7 . ▁Over ▁the ▁years , ▁the ▁priest ▁began ▁to ▁doubt ▁the ▁existence ▁of ▁God , ▁the ▁Dev il , ▁and ▁many ▁Bib lic al ▁and ▁super natural ▁be ings . ▁Still ▁a ▁Jes uit , ▁he ▁decided ▁to ▁become ▁a ▁psych iat rist . ▁ ▁Al ong ▁with ▁fellow - J es uit ▁Father ▁L ank ester ▁M err in , ▁K arr as ▁attempts ▁to ▁ex or c ise ▁ 1 2 - year - old ▁Reg an ▁Mac Ne il ▁( who ▁was ▁possessed ▁by ▁a ▁demon ). ▁In ▁the ▁process , ▁M err in ▁suff ers ▁a ▁fatal ▁heart ▁attack ▁and ▁an ▁em bit tered ▁K arr as ▁prov okes ▁the ▁possessed ▁child , ▁forcing ▁the ▁demon ▁to ▁channel ▁itself ▁into ▁him ▁instead . ▁K arr as , ▁briefly ▁domin ated ▁by ▁the ▁demon , ▁throws ▁himself ▁out ▁the ▁window ▁of ▁the ▁Mac Ne ils ' ▁residence , ▁seeing ▁it ▁as ▁his ▁chance ▁to ▁pur ge ▁the ▁world ▁of ▁the ▁evil ▁being ; ▁t umb ling ▁down ▁the ▁st airs ▁of ▁M ▁Street ▁to ▁his ▁death . ▁