I Swear
2025I blink. I twitch. I jump. I click. I whistle. I shout.
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.
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Robert Aramayo
John
Maxine Peake
Dottie
Peter Mullan
Tommy
Shirley Henderson
Heather
Scott Ellis Watson
Young John
David Carlyle
Chris
Francesco Piacentini-Smith
Murray
Somerled Campbell
Palace Official
Michael Dylan
Butler
Christina Ashford
The Queen
Sanjeev Kohli
Kenny
Steven Cree
David
Ethan Stewart
William (10)
Isla Mercer
Caroline (7)
Catriona McArthur
Sharon (13)
Paul Donnelly
Billie Dean / Attacker Under Bridge
Ron Donachie
Headmaster Donald Watkins
Jamie McAllister
Young Murray (12)
Abigail Noon
Kerry (12)
Ella Victoria Robb
Teacher
Sam Felderhof
Boy 1
Isaac Chan Adams
Boy 2
Leah MacRae
Mrs Robinson
Taqi Nazeer
Gerry
Liam Campbell
Fight Boy
Douglas Rankine
Doctor
Anna-Jorge Somerville
Dawn
Connor Parkin
Roddy
Holly Howden Gilchrist
Suzy
Calum Cormack
Bouncer
Amber Sylvia Edwards
Marie
Chris Dixon
James
John McLarnon
Police Officer
Jamie Marie Leary
Irene
Ellie MacDowall
Girl in Newsagent
Anthony Capaldi
Andy
David Gallacher
Sheriff
Thierry Mabonga
Defence Agent
Gary French
Procurator Fiscal
Ross Mann
Journalist 1
Johnny Austin
Journalist 2
Michael Cooke
Journalist 3
Donald Morrison
Priest
Ruth Milne
Karen
Paddy Towers
Lad 1
Cerys Tinney
Girl
Gregor Mackay
Danny
Adam McNamara
PC / Inspector MacCullen
Gordon Peaston
Councillor Spalding
Paul Cassidy
Allan
Karen Bartke
Claire
Andrea Bisset
Lucy
Christina Modestou
Alison
Greg Storey
Greg
Paul Stevenson
Paul
Gordon Morris
Queen's Speaker
Louise Stewart
Caroline (34)
Carolina Valdés
Barbara
Emma Hartley-Miller
Woman on Train
Debra Stephenson
The Queen (voice)
John Davidson
(archive footage)
