Main castFather Jacob Martin Shaw Sister RuthSiobhan FinneranMichaelRick WardenMonsignor VincenzoLuigi DibertiCardinal BukovakJohn ShrapnelEpisode oneLiamShaun DooleyVimalElyes GabelSister AnneMichelle JosephSarahSarah-Jayne SteedDonnaRomy IrvingArchbishopSam MancusoPriestGuido AdorniVimal (14 years)Shyam ChudasamaEpisode twoLiamShaun DooleySister AnneMichelle JosephDetective RachelStephanie StreetSarahSarah-Jayne SteedDonnaRomy IrvingGeorgePatrick BridgmanFionaMia FernandezEpisode threeFather DanielDavid GyasiCory WardellStephen WightLassiterNeil PearsonKim PortmanElizabeth BerringtonFionaMia FernandezSandraMichelle BonnardMary Portman.Jenna SouthworthInmateConrad NelsonAlessandro SerenelliFederico NatoliMrs WardellLinda Jane HolmesEpisode fourJaniceClaudia HarrisonZoeKaren BrysonSimonAdrian BowerLisaJo WoodcockCraigAndy DearPietroVernon DobtcheffRosaRuth PosnerEpisode fiveSanaBrana BajicMisalPatrick KnowlesZaidJamie BlackleyImam AhmedHassani ShapiEpisode sixElaineClaire PriceWomanCherie LunghiFather DanielDavid GyasiGirlAntonia WhillansProduction creditsExecutive Producers (Lime) Carolyn Reynolds Tony WoodExecutive Producers (BBC)Anne Mensah Matthew ReadProducersAnn Harrison-Baxter (1/2) Caroline Levy (3-6)WriterJoe AhearneDirectorsJoe Ahearne (1/2, 5/6) John Strickland (3/4)Directors of Photography Peter Greenhalgh (1/2) Adam Suschitzky (3-6)Production Designer Tom BrownEditorsGraham Walker (1/2, 5/6) Patrick Moore (3/4)ComposerHal LindesCostume Designer Inez NordellMake up Designer Lin DavieProsthetics Designer Davy JonesCasting DirectorDi CarlingStunt Coordinator Eunice HuthartLine Producers Alison Law (1/2) Des Hughes (3-6)Location ManagerKevin Jackson1st Assistant DirectorsClaire McCourt (1/2, 5/6) Jo Lea (3/4)Unit Photographers Rachel Joseph Matt Squire Tony Blake