The story of the Arthurian legend, based on the 'Sarmatian hypothesis' which contends that the legend has a historical nucleus in the Sarmatian heavy cavalry troops stationed in Britain, and that the Roman-British military commander, Lucius Artorius Castus is the … Clive Owen, Ioan Gruffudd, Keira Knightley, Mads Mikkelsen, Joel Edgerton, Hugh Dancy, Ray Winstone Added on Disney 2021-12-04. Youtube Trailer