King Arthur: Legend of the Sword (2004)

A Roman commander is posted to Britain in the last days of the empire and given a final mission to rescue a high-ranking official and his son stranded in the north. However, the endeavour reveals his true destiny is to lead the Britons against the new Saxon invasion, and marks the start of a legend. Historical adventure, starring Clive Owen, Keira Knightley, Ray Winstone, Ioan Gruffudd and Stephen Dillane.