Tobie DonovanIsaac Henderson Rhea NorwoodImogen Heaney Cormac Hyde-CorrinHarry Greene Ashwin VishwanathSai Verma Evan OvenellChristian McBride Araloyin OshunremiOtis Smith Joseph BalderramaJulio Spring Olivia ColmanSarah Nelson Bradley RichesJames McEwan Bel PriestleyNaomi Russell Stephen FryHeadmaster Barnes (voice) Darragh HandMichael Holden Isabel Adomakoh-YoungMiss Greenwood Thibault de MontalembertStéphane Nelson Rebecca RootPrincipal Edwards Annette BadlandIvy Olsson Zoe MolyneuxKeira the Tour Guide Vanessa CruickshankPauline Jones Rachael StirlingAmanda Olsson Habib Nasib NaderRichard Argent Christopher HatherallUncle Rich Eliott HameauClassmate (uncredited) Leonie SpilsburyMiss Hyder Frewyn ThursfieldOrchestra Girl Emilie LargierMadame Martin Jassal Kaur Kullar-BellGirl 2 David ThackerayFrench Teacher Irina LeoncioSpanish Teacher Phoenix StoneOlder Student Benjamin CléryIce Cream Server Euros LynSecurity Guard / Regisseur Ethan Joseph-RobertAlex the Artist Malcolm RennieGrandad Roger Tamara UstinovGrandma Nancy Jonathan BaileyJack Maddox Jensen ClaydenOliver Spring Georgina BitmeadEsther Spring Catherine BaileyKaty Newnham Regan ShepherdBallet Teacher Nkara StephensonKent Tour Guide Elliot DouglasLeeds Tour Guide Alice OsemanGirl on Train (uncredited) / Schrijver / Second Unit Director Euros LynSecurity Guard / Regisseur Alice OsemanGirl on Train (uncredited) / Schrijver / Second Unit Director Jamie LaurensonExecutive Producer Hakan KousettaExecutive Producer Patrick WaltersExecutive Producer Nicky EarnshawCo-Producer Tim DickelProduction Design Maxwell FineSet Decoration Simona SusneaDirector Of Photography Diana OlifirovaDirector Of Photography Diandra FerreiraMakeup Designer Melanie LindseyHair Supervisor Erinn CahillMakeup Trainee Sorcha FisherMakeup Artist Sam ArborAssistant Director Brett ThomasFirst Assistant Director Hugo NicholsonCrowd Assistant Director Alex John MacLeanCrowd Assistant Director Jasmin GreenlandThird Assistant Director Adiescar ChaseOriginal Music Composer Taz FairbanksFirst Assistant Sound Editor Sebastian DaleDialogue Editor Michael GriggsAssistant Sound Editor Keith TunneyRecording Supervision Lucy AllenCasting Associate Zoe SeiffertProduction Accountant Llyr WilliamsVisual Effects Supervisor Peter RogersVisual Effects Producer Xenia Moliner RoldanVisual Effects Production Manager Christian LettVfx Supervisor Lucy Lawson-DuckettVisual Effects Producer Bence VargaVfx Supervisor Nikos PittasCompositing Supervisor 
