Stephen DillaneDr. Harris Colin StintonDetective Cartert Michael J. ReynoldsDr. Stegman Art ParkinsonYoung Kenneth Bronágh TaggartKenneth's Mother David CraigProduction Design Ruairí O'BrienDirector Of Photography Hazel Webb-CrozierCostume Design Naomi CrippsMakeup Artist Aisling TonerMakeup Artist Susie RedfernProsthetic Makeup Artist Kerry GoodingAssistant Costume Designer Stephen O'RaweKey Costumer James LongDigital Intermediate Esme LongDigital Intermediate Producer Lisa CreaneyAssistant Editor Terry McDonaldBoom Operator Nicola QuinnBoom Operator Pietro DalmassoDialogue Editor Stan FifermanFoley Artist Mark FitzpatrickFoley Recordist Dave McMahonFoley Recordist Peter LindsayProduction Sound Mixer Thayna McLaughlinSound Assistant Ken GalvinSound Re-Recording Mixer Dominic WeaverSupervising Sound Editor Alex HuddDolby Consultant David WalterMusic Programmer Becky BenthamMusic Supervisor Stephen WarbeckOriginal Music Composer Kelly Valentine HendryCasting Katrina McBriartyAssistant Production Coordinator Michelle BurnsAssistant Production Coordinator Sean DanischevskyDigital Compositor Steve ParsonsDigital Compositor Duncan BurbidgeVisual Effects Producer Mark NelmesVisual Effects Supervisor Nick MortonSpecial Effects Supervisor 
