I Swear

Kirk Jones

Director

Robert Aramayo

John

Maxine Peake

Dottie

Peter Mullan

Tommy

Shirley Henderson

Heather

Scott Ellis Watson

Young John

David Carlyle

Chris

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.