Richard Harris character King Arthur
Vanessa Redgrave character Guenevere
Franco Nero character Lancelot Du Lac
David Hemmings character Mordred
Lionel Jeffries character King Pellinore
Laurence Naismith character Merlyn
Pierre Olaf character Dap
Estelle Winwood character Lady Clarinda
Gary Marshal character Sir Lionel
Anthony Rogers character Sir Dinadan
Peter Bromilow character Sir Sagramore
Sue Casey character Lady Sybil
Gary Marsh character Tom of Warwick
Nicolas Beauvy character King Arthur as a Boy
Fredric Abbott character Sir Geoffrey (uncredited)
Robert B. Shepard character Soldier (uncredited)
