Katherine ParkinsonLaura Hawkins Tom Goodman-HillJoe Hawkins Lucy CarlessMattie Hawkins Ruth BradleyDI Karen Voss Theo StevensonToby Hawkins Pixie DaviesSophie Hawkins Neil MaskellDS Pete Drummond Billy JenkinsSeraph / Sam Thusitha JayasunderaNeha Patel QC William HurtDr. George Millican Carrie-Anne MossDr. Athena Morrow Jill HalfpennyJill Drummond Marshall AllmanMilo Khoury Tor ClarkSenior Technician Stephen BoxerDr. David Elster Claudia HarrisonDr. Aveling Caroline Lee-JohnsonBrothel Madame Dominic MafhamChief Superintendent Shaw Stella GonetFrances Walker Aidan McArdlePeter Keeley Matthew James OvensUtility Synth James SuttonRepair Bay SCO19 Officer Richard SuttonSCO19 Lead Officer Oliver CoopersmithLaurence Jonathon MichaelsUniformed Police Officer (uncredited) Philip ArdittiSalim Sadik Ellen ThomasLindsey Kiwanuka Claire LamsShop Assistant Akie KotabeDr. Ji Dae-Sun Krishnan Guru-MurthyHimself Beverly HillsHead Teacher Steven PaceyColin (Client) Eva Jane WillisGirl in Café Grace ChiltonPersona Technician Danny BabingtonSmash Club Man Mark WeinmanPersona Driver Adam NewingtonPolice Synth Adam LeeseDad in Playground Laurence Ubong WilliamsPolice Officer Ann AkinjirinPolice Woman Andrea HartProtest Leader Christopher Patrick NolanProtester Michael DixonSentry Constable Teresa ChurcherBank Worker Mark RoperRecycling Centre Employee William AndrewsScientist I Alex WaldmannCare Home Worker Susannah DoyleClaudia Nowak Robin McCallumHeadteacher Giles LongPanel Show Host Daniel AbelsonPolice Officer One Peter BarrettPolice Guard Paul ReynoldsFather At Stall Simon HarrisonDr. Sanchez Andrea HallPC Martine Franks Jon WenningtonScene of Crime Officer (uncredited) Jim MacieSecurity Guard (uncredited) Francesca GregoriniRegisseur Lars LundströmSchrijver / Executive Producer Jonathan BrackleySchrijver / Executive Producer Sam VincentSchrijver / Executive Producer Jonathan HarbottleSchrijver Derek WaxExecutive Producer Henrik WidmanExecutive Producer Jane FeatherstoneExecutive Producer Emma Kingsman-LloydExecutive Producer Chris FryExecutive Producer Anna KasabovaSet Decoration Jonnie MeadSet Decoration Nicole NorthridgeProduction Design Dick LunnProduction Design Holly MorpethArt Direction Andrea MathesonArt Direction Hayden MatthewsProduction Design Louisa MorrisArt Direction Mickaela TroddenSet Decoration Sue Jackson-PotterSet Decoration Ruairí O'BrienDirector Of Photography Kieran McGuiganDirector Of Photography Stephan PehrssonDirector Of Photography Stuart BentleyDirector Of Photography Sergio DelgadoDirector Of Photography Urszula PontikosDirector Of Photography Simon ArcherDirector Of Photography Andrew McDonnellDirector Of Photography David RomDirector Of Photography Vickie LangMakeup Designer Scarlett McGrathMakeup Artist Rosie OctonMakeup Supervisor Sophia KnightMakeup Supervisor Sarah NuthMakeup Supervisor Line KolaasaeterMakeup Artist Nicola Muldoon Hairstylist Katie J. NewhamCostume Supervisor Claire LynchCostume Supervisor Kate RoydsCostume Standby Annie HardingeCostume Design Alice HollingumMakeup Trainee Katie BroomeCostume Supervisor Ian FulcherCostume Design Kate GillCostume Designer Jessie NoakesCostume Standby Alex BerwickSecond Assistant Director Sara DoughtyScript Supervisor Dean ByfieldFirst Assistant Director Glyn HarperSecond Assistant Director Andrea BamfordScript Supervisor Rosalind HowesThird Assistant Director Jack WrenThird Assistant Director Joe PayneThird Assistant Director Sophie CalverSecond Assistant Director Nick BrownFirst Assistant Director Tom DunbarFirst Assistant Director Fletcher RodleyFirst Assistant Director Steve RobinsonFirst Assistant Director Charlie EndeanFirst Assistant Director Amy RodriguezScript Supervisor Matt JenningsThird Assistant Director Sophie KennyThird Assistant Director Adam MossFirst Assistant Editor Kate DenningFirst Assistant Editor / Post Production Coordinator Harrison WallAssistant Editor Dean HardingFirst Assistant Editor Dominic StrevensRedacteur Amy HounsellAssistant Editor Selina MacarthurRedacteur Richard EllisOnline Editor Tim BarkerSound Recordist Cristóbal Tapia de VeerTheme Song Performance Richard DaveySound Re-Recording Mixer Grant BridgemanSound Recordist Sarah WarneOriginal Music Composer Alex HorlickDialogue Editor Simon PriceDialogue Editor Laura CloughSound Assistant Adam ArmitageSound Effects Editor Ben BrazierDialogue Editor Rodney BerlingDialogue Editor James BainSound Recordist Adrienne TaylorBoom Operator Michael MaroussasDialogue Editor Sandra StewartProduction Accountant Alex IrwinCasting Assistant Louisa RawlinsProduction Manager Bryony ChaplinProduction Coordinator Chris SheriffProduction Manager Sam CourtnageUnit Manager Madeleine NurrishAssistant Production Coordinator Ian PollingtonLocation Manager Emma HarrisonLocation Assistant Ben HoltHead Of Production Tom Di DomenicoProduction Runner Alison BarnettHead Of Production Lorraine GoodmanLine Producer Elena Rubio-HallProduction Coordinator Stephanie AndrewUnit Manager Seth MasonCasting Associate Victor JenkinsCasting Director Vicki ThomasCasting Associate James CustanceAssistant Production Coordinator Michelle FranklinAssistant Production Coordinator Peter-Frank DewulfLocation Manager Pete WimblettAssistant Location Manager Rupert BrayLocation Manager Robin PimLocation Manager David HalsteadLocation Manager Rosalind LaugharneLocation Manager David KellickLocation Manager Ross IsaacAssistant Location Manager Neal ChampionSpecial Effects Supervisor Charlotte RutherfordScript Editor Sian McWilliamsScript Editor Deanne CunninghamScript Editor