Merlin: Merlin is young wizard, with amazing powers, who come to Camelot with big hopes, he is the servant of Prince Arthur who treats him very bad. Merlin lives in the castle with Gaius, who is like a father to him. he could met his father only once. he lived with his mother before to live in Camelot in a small village. hi befriends with Gwen, who is his first friend in Camelot but he is friend with Morgana as him she have Magic but he decides to not tell her about his magic and he later is friend with the Knights of Camelot. at the series progresses Merlin's relationship with Arthur is stronger. he meet his first love: Freya but she is killed by Arthur for have inside a demon. Merlin helps Arthur in all of his missions and plans. Merlin will be at Arthur's side until his mission is completed that is to Arthur to be king and let the magic to use free in Camelot. Merlin is a dragon lord who is something that is passing to a father to son, since his father died he is the nee dragon lord. Merlin is kind, sociable, friendly, and is a great person in who you can trust and can keep secrets.
Arthur: Arthur is the next king of Camelot as he is the only son of King Uther Pendragon and Queen Ygraine Pendragon and is the Half brother of Morgana (he didn't know this at first). he is knight of Camelot, a great sword man, he never fail in a combat (sometimes thanks to Merlin's Magic). Arthur is arrogant, high courageous, honourable, dutiful and just but he is a good person and have a good heart. When Merlin is assigned as Arthur's main servant for save his life, they didn't have a good experience but at the series progresses their bonds of relationship get stronger. he is the leader of the knights of Camelot. he falls in love with Gwen, Morgana's servant and cared about her a lot. Merlin is his only friend and in who he trust the most. he is destined to be the next big King. When his father died he take the throne of camelot as the new King.
Morgana: Morgana is a beautiful young lady who is the protected of King Uther that was what she believed at first but then she discovers that she is the biological daughter of King Uther and the half sister of Arthur and also of the half sister of Morgause too. at first she had a crush on Arthur and cared about him. Gwen was her servant but she treated her so well that they were more like best friends. Morgana was a girl with a good heart and good intentions and was a friend of Merlin, who later discovers that like him she have magic and have visions but everything changes when she met her half sister Morgause, together they planned to kill Arthur to proclaim as the new Queen as she is King's Uther daughter. she laters rebels to King Uthers and Camelot and proclaims herself a witch with super powers but Merlin will try to stop her.
Gwenivere: Gwenivere or Gwen as all her friends know her is a lovely girl who is Morgana's servant and best friend at first. she has live all her life in Camelot and have a brother called Elyam who later is a Knight of Camelot. She is one of Merlin first friends and for a time she have a crush on Merlin but merlin never aware of this until she kiss him and he said that that was more than fine. but then she have her real first love who was Lancelot, who love her back but then she realize that Arthur have a crush on her too he decides to go away and Arthur and Gwen (who likes him back) started they realtionship but King Uther's disaproved this but Arthur rises as the new king and changes rules. Gwen is loyal, cute, you can trust in her not matter what, kind and sociable, she is a great dressmaker. the knights of Camelot trust in her and are loyal to her.
King Uther: Uther is a the king of Camelot and he prohibited the magic. Uther is the father of Arthur and of Morgana too. Uther is close to the royal's physician, Gaius. Uther love with all of his heart and soul and cared about Morgana, for him Arthur and Morgana are everything. Uther was the husband of Ygraine, later the have Athur thanks to magic. but he also have an affair with Morgana's mom. Uther wish Arthur to get married with a princess instead Gwen who is a simply servant, and he opposed to them at all. he arranged many meetings with princess for Arhur's to choose. King Uther prohibited the magic years ago for the wrong use that the people use it. When Morgana betrays him he felt so disappointed and sad that he quickly started to fall in a depresion that slowly leads him to the death.
Gaius: Gaius is the court physician and is loyal to king Uther and then to King Arthur. Gaius is like a father for Merlin and he cares about Merlin a lot. Gaius was time ago a wizard as he still have magic but he don't use it a lot as is prohibited by King Uther. Gaius shared his room with Merlin, so they live together. Gaius knows about everything about magic and medicine. he is one of the few persons who realize at first that Arthur and Gwen love each other. Gaius is good friend of Gwen too. Gaius had a first love known as Alice who knows a lot of Medicine as him but she was sentenced to death by King Uther for be posses by a Manticore who was causing problems in Camelot but he managed to get free Alice from jail the night before of her death but he still love her as the first time. is known that they were at some point engaged. Gaius helps to merlin everytime he needs and teach him many things of magic.
Main Cast:
Colin Morgan as Merlin (Season 1-5)
Bradley James as Prince Arthur (Season 1-5)
Kathie McGrath as Lady Morgana (Season 1-5)
Angel Coulby as Gwenivere (Season 1-5)
Anthony Head as King Arthur (Season 1-4)
Richard Wilson as Gaius (Season 1-5)
Colin Morgan as Merlin (Season 1-5)
Bradley James as Prince Arthur (Season 1-5)
Kathie McGrath as Lady Morgana (Season 1-5)
Angel Coulby as Gwenivere (Season 1-5)
Anthony Head as King Arthur (Season 1-4)
Richard Wilson as Gaius (Season 1-5)