Ruth WilsonKatrina (voice) Andrew ScottDonal (voice) Olivia ColmanBethan (voice) Ben DanielsGareth (voice) Alice LoweSister Margaret (voice) Danny WebbCassidy (voice) Lee RossPC Davids (voice) Silas CarsonDr. Gullu (voice) Kirsty DillonGareth's Wife (voice) Steven KnightDirector / Writer Stuart FordExecutive Producer David JourdanExecutive Producer Steven SquillanteExecutive Producer Joe WrightExecutive Producer Haris ZambarloukosDirector Of Photography Nigel EgertonCostume Design Audrey DoyleMakeup Designer Julia ChiavettaScript Supervisor Martin HarrisonFirst Assistant Director Steve SingleDialogue Editor / Sound Re-Recording Mixer Andrew JadavjiFirst Assistant Editor Simon ChangerMusic Editor Dickon HinchliffeOriginal Music Composer Nick AngelMusic Supervisor Ben PiltzLocation Manager Stephanie BambergProduction Coordinator James DevlinVisual Effects Supervisor 
