▁which ▁was ▁confirmed ▁on ▁ 1 7 ▁October ▁ 2 0 1 8 , ▁and ▁went ▁into ▁production ▁in ▁April ▁ 2 0 1 9 . ▁The ▁season ▁was ▁set ▁to ▁premi ere ▁som etime ▁in ▁late ▁ 2 0 1 9 , ▁however , ▁it ▁was ▁announced ▁on ▁ 1 6 ▁October ▁ 2 0 1 9 , ▁that ▁it ▁would ▁premi ere ▁in ▁ 2 0 2 0 . ▁ ▁On ▁ 3 1 ▁March ▁ 2 0 2 0 , ▁N ine ▁announ ed ▁that ▁Doctor ▁Doctor ▁has ▁been ▁commission ed ▁for ▁a ▁fifth ▁season . ▁ ▁Cast ing ▁ ▁The ▁casting ▁director ▁of ▁Doctor ▁Doctor ▁is ▁K irst y ▁McG reg or , ▁who ▁has ▁worked ▁for ▁casting ▁on ▁popular ▁television ▁series , ▁such ▁as ▁Modern ▁Family ▁and ▁Top ▁of ▁the ▁Lake . ▁It ▁was ▁announced ▁in ▁early ▁ 2 0 1 6 ▁that ▁Rod ger ▁Cor ser ▁had ▁received ▁the ▁leading ▁role ▁in ▁the ▁series ▁as ▁heart ▁sur geon , ▁Hugh ▁Knight , ▁before ▁the ▁N ine ▁Network ▁has ▁formally ▁announced ▁the ▁series . ▁Cor ser ▁was ▁still ▁appearing ▁on ▁the ▁ABC ▁drama ▁series ▁The ▁Doctor ▁Bla ke ▁Myst eries , ▁for ▁which ▁he ▁only ▁appeared ▁in ▁Season ▁ 4 ▁in ▁ 2 0 1 6 , ▁and ▁of ▁the ▁role ▁he ▁said ▁that ▁" he ▁was ▁enjo ying ▁playing ▁a ▁different ▁style ▁of ▁character ▁to ▁those ▁he ▁had ▁previously ▁played ." ▁It ▁was ▁then ▁confirmed ▁that ▁N icole ▁Da ▁Silva ▁would ▁be ▁cast ▁in ▁the ▁role ▁of