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I Swear

I Swear

Release: 2025-09-22·Runtime: 121m·★ 8.3
Drama

Diagnosed with Tourette Syndrome at 15, John Davidson navigates his way against the odds through troubled teenage years and into adulthood, finding inspiration in the kindness of others to discover his true purpose in life.

Production Countries

United KingdomIreland

Production Companies

One Story High
Tempo Productions
StudioCanal UK
Sony Pictures Classics

Trailers & Videos

Cast

Douglas RankineDouglas Rankineas DoctorSteven CreeSteven Creeas DavidIsla MercerIsla Merceras Caroline (7)Ellie MacDowallEllie MacDowallas Girl in NewsagentDavid GallacherDavid Gallacheras SheriffEmma Hartley-MillerEmma Hartley-Milleras Woman on TrainMaxine PeakeMaxine Peakeas DottieElla Victoria RobbElla Victoria Robbas TeacherCalum CormackCalum Cormackas BouncerGordon MorrisGordon Morrisas Queen's SpeakerScott Ellis WatsonScott Ellis Watsonas Young JohnThierry MabongaThierry Mabongaas Defence AgentPaul CassidyPaul Cassidyas AllanRon DonachieRon Donachieas Headmaster Donald WatkinsGary FrenchGary Frenchas Procurator FiscalMichael CookeMichael Cookeas Journalist 3Paul DonnellyPaul Donnellyas Billie Dean / Attacker Under BridgeJohn McLarnonJohn McLarnonas Police OfficerCerys TinneyCerys Tinneyas GirlAdam McNamaraAdam McNamaraas PC / Inspector MacCullenDebra StephensonDebra Stephensonas The Queen (voice)Jamie Marie LearyJamie Marie Learyas IreneAndrea BissetAndrea Bissetas LucyChristina ModestouChristina Modestouas AlisonJohn DavidsonJohn Davidsonas Self (archive footage)Carolina ValdésCarolina Valdésas BarbaraPeter MullanPeter Mullanas TommyFrancesco Piacentini-SmithFrancesco Piacentini-Smithas MurrayKaren BartkeKaren Bartkeas ClaireShirley HendersonShirley Hendersonas HeatherCatriona McArthurCatriona McArthuras Sharon (13)Gordon PeastonGordon Peastonas Councillor SpaldingDavid CarlyleDavid Carlyleas ChrisSanjeev KohliSanjeev Kohlias KennyPaul StevensonPaul Stevensonas PaulAnna-Jorge SomervilleAnna-Jorge Somervilleas DawnJamie McAllisterJamie McAllisteras Young Murray (12)Isaac Chan AdamsIsaac Chan Adamsas Boy 2Leah MacRaeLeah MacRaeas Mrs RobinsonChris DixonChris Dixonas JamesAnthony CapaldiAnthony Capaldias AndyRuth MilneRuth Milneas KarenRobert AramayoRobert Aramayoas JohnChristina AshfordChristina Ashfordas The QueenGreg StoreyGreg Storeyas GregHolly Howden GilchristHolly Howden Gilchristas SuzyConnor ParkinConnor Parkinas RoddyRoss MannRoss Mannas Journalist 1Louise StewartLouise Stewartas Caroline (34)

Crew

John Davidson" />John DavidsonExecutive ProducerPaul Mackman" />Paul MackmanGeneral ManagerSimon Hayes" />Simon HayesProduction Sound Mixer, Sound Re-Recording MixerKirk Jones" />Kirk JonesProducer, Writer, DirectorStephen Rennicks" />Stephen RennicksOriginal Music ComposerAgata Rafalska" />Agata RafalskaSecond Assistant "A" CameraTommy Jay Brennan" />Tommy Jay BrennanCrowd Assistant DirectorPaul Donnelly" />Paul DonnellyFight Choreographer