The plot of his illegitimate son Mordred to gain the throne, and Guinevere's growing attachment to Sir Lancelot, threatens to topple King Arthur and destroy his "round table" of knights.
Richard Harris
King Arthur
Vanessa Redgrave
Guenevere
Franco Nero
Lancelot Du Lac
David Hemmings
Mordred
Lionel Jeffries
King Pellinore
Laurence Naismith
Merlyn