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.

• Warner Bros.-Seven Arts
• Richard Harris
• Vanessa Redgrave
• Franco Nero
• David Hemmings
• Lionel Jeffries
• Laurence Naismith
• Pierre Olaf
• Estelle Winwood