Trivia: Producer/screenwriter/director John Boorman deliberately chose renowned stage actors Nicol Williamson and Helen Mirren to play the sorcerer Merlin and the sorceress Morgana, knowing very well that Williamson and Mirren hated each other in real life (because of a disastrous stage production of Macbeth they worked on, years earlier). Boorman anticipated real friction, tension and anger between the two actors, which was the effect he wanted onscreen. On the contrary, the experience of working together in "Excalibur" completely changed Nicol Williamson and Helen Mirren into the best of friends.
Trivia: Patrick Stewart plays Cherie Lunghi's father in the movie, even though in real life he's only 12 years older than Lunghi.
Trivia: Before being cast as Sir Gawain, Liam Neeson had never ridden a horse.
Answer: Sunshine is the name of one of Gueniviere's handmaidens. She is also mentioned in L'morte d'Arthur.