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 Patrick WaltersExecutive Producer Jamie LaurensonExecutive Producer Hakan KousettaExecutive Producer Nicky EarnshawCo-Producer Tim DickelProduction Design Maxwell FineSet Decoration Simona SusneaDirector Of Photography Diana OlifirovaDirector Of Photography Melanie LindseyHair Supervisor Diandra FerreiraMakeup Designer Erinn CahillMakeup Trainee Sorcha FisherMakeup Artist Sam ArborAssistant Director Hugo NicholsonCrowd Assistant Director Jasmin GreenlandThird Assistant Director Alex John MacLeanCrowd Assistant Director Brett ThomasFirst Assistant Director Adiescar ChaseOriginal Music Composer Michael GriggsAssistant Sound Editor Keith TunneyRecording Supervision Sebastian DaleDialogue Editor Taz FairbanksFirst Assistant Sound Editor Zoe SeiffertProduction Accountant Lucy AllenCasting Associate Lucy Lawson-DuckettVisual Effects Producer Llyr WilliamsVisual Effects Supervisor Xenia Moliner RoldanVisual Effects Production Manager Peter RogersVisual Effects Producer Nikos PittasCompositing Supervisor Bence VargaVfx Supervisor Christian LettVfx Supervisor 
