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