Richard Crispin Armitage Was born 22 August 1971, Richard Armitage is an English actor known for Richard Armitage roles as John Thornton on the British television programme North & South, Guy of Gisborne in the TV drama Robin Hood, Lucas North in the TV drama Spooks, John Porter in the TV drama Strike Back and as Thorin Oakenshield in the feature film trilogy adaptation of The Hobbit.