Merlin is an exciting fantasy series set in the mythic city of Camelot, but inspired by 21st Century storytelling. Before Merlin and Arthur became legends, they were ambitious young men looking for adventure, hoping to live up to their families' expectations, discovering love and finding their own true destiny, making mistakes along the way. The drama brings together a cast of acclaimed British actors: Richard Wilson as Gaius; Anthony Head as King Uther; Pendragon. Colin Morgan is the young wizard Merlin, Bradley James is the arrogant but brave Prince Arthur, rising star Angel Coulby is Guinevere and newcomer Katie McGrath is Morgana. John Hurt is the Voice of the Great Dragon. Enigmatic and powerful, he alone knows Merlin's true destiny.