Generate a question about the following movie plot: The sorcerer Merlin (Nicol Williamson) retrieves Excalibur from the Lady of the Lake for Uther Pendragon (Gabriel Byrne), who secures a brief alliance with Gorlois, the Duke of Cornwall. Uther's lust for Cornwall's wife Igrayne (Katrine Boorman) soon ruins the truce, and Merlin agrees to help Uther to seduce Igrayne on the condition that he gives Merlin whatever results from his lust. Merlin transforms Uther into Cornwall's likeness with the Charm of Making. Cornwall's daughter Morgana senses her father's mortal injury during his assault on Uther's camp; and, while Igrayne is fooled by the disguise and Uther impregnates her, Morgana sees through it, watching Uther as Cornwall dies in battle. Nine months later, Merlin takes Uther's son Arthur. Uther pursues but is mortally wounded by Gorlois' knights. Uther thrusts Excalibur into a stone, crying that "None shall wield Excalibur, but me!", and Merlin proclaims, "He who draws the sword from the stone, he shall be king." Years later Sir Ector and his sons, Kay and Arthur (Nigel Terry) attend a jousting tournament. Sir Leondegrance (Patrick Stewart) wins the chance to try pulling Excalibur from the stone, but he fails. Kay's sword is later stolen, and Arthur pulls Excalibur from the stone while trying to replace the stolen sword. Word spreads, and Merlin announces to the crowd that Arthur is Uther's son and, hence, the rightful ruler. Leondegrance immediately proclaims his support for the new king, but not all are willing to accept. While the others argue, Merlin and Arthur enter the forest, where Merlin tells Arthur that he is the rightful king and that the king and the land are one. Overwhelmed, Arthur falls into a long sleep. When he wakes, Arthur goes to aid Leondegrance, whose castle is under siege by Arthur's enemies, led by Sir Uryens. During the battle, Arthur defeats Uryens and then demands Uryens knight him, handing him Excalibur to do so. Uryens is tempted to kill him but is deeply moved by Arthur's display of faith and decides to knight him (Merlin is...
Answer:
Who plays Merlin?