
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.
StatusReleased
Original LanguageEnglish
Original titleI Swear
Budget$6,000,000.00
Revenue$8,390,131.00

Robert Aramayo
John

Maxine Peake
Dottie

Peter Mullan
Tommy

Shirley Henderson
Heather

Scott Ellis Watson
Young John
Somerled Campbell
Palace Official
Michael Dylan
Butler

David Carlyle
Chris

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

Francesco Piacentini-Smith
Murray

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)