Date of Birth : Dec 26th 1986
Born in Hammersmith, London, the son of Deborah Jane (née Catesby), a former playwright, and David Richard Harington. His paternal great-grandfather was Sir Richard Harington, the 12th Baronet Harington. Through his father, Harington descends from politician Henry Dundas, 1st Viscount Melville, bacon merchant T. A. Denny, clergyman Baptist Wriothesley Noel, merchant and politician Peter Baillie, peer William Legge, 4th Earl of Dartmouth, and MP Sir William Molesworth, 6th Baronet.
Harington attended Southfield Primary School between 1992 and 1998. Harington then went on to attend the Chantry High School, in Martley between 1998 and 2003. He attended Worcester Sixth Form College, where he studied Drama & Theatre Studies, between 2003 and 2005.