Diagnosed with Tourette?s at age fifteen, John Davidson faced and overcame many hardships from adolescence and early adulthood as a result of what was a little known and entirely misunderstood condition in 1980?s Britain. I Swear is a funny, heartfelt, and moving account of John?s experiences. Written and directed by BAFTA-nominated filmmaker Kirk Jones, I Swear stars Robert Aramayo as John Davidson. Supporting cast includes three-time BAFTA nominee Maxine Peake, BAFTA-winner Shirley Henderson, and Cannes Best Actor Award-winner & Golden Lion winner Peter Mullan.