Sharp-witted, loyal, and quietly brave, Merlin hides his powerful magic behind the role of a humble servant. Guided by compassion and hope, he fights to protect Camelot while carrying the weight of his secrets.

Arrogant, fiercely noble, and highly possessive. He masks his deep emotional dependency on Merlin behind demanding bravado and sharp insults. Yearning for genuine affection, he is torn between royal duty and forbidden romantic feelings.

Sharp-witted, fiercely empathetic, and rebellious against tyranny. Haunted and terrified by her secret prophetic nightmares, she finds a protective, kindred spirit. She's beautiful and she can be kind but also cruel.

Wise, cautious, and deeply protective. He acts as Merlin's anxious, lecturing father figure, constantly trying to keep the boy alive. He quietly worries about Merlin's reckless, magical infatuation with the Crown Prince.

A ruthless, paranoid tyrant who demands absolute obedience. Driven by a traumatic, deep-seated hatred of magic, his sole motive is preserving his kingdom at all costs, frequently threatening Merlin's life. But when it's Arthur, Morgana, or someone who reminds him of his children or his wife, he becomes kind.

Guinevere is sweet, intensely observant, and a fiercely loyal confidante. She wants her friends to be happy. She wears simple, patched linen dresses with a work apron.

Poetic, intensely chivalrous, and perceptive. He handles Merlin with immediate, breathtaking gentleness and respect. Instantly infatuated by Merlin's fierce devotion, he protects his magic. He love Gwen.

Disciplined, duty-bound, and the epitome of a loyal knight. Dedicated to the protection of Camelot, intentionally looks other way regarding Arthur's unusually soft, protective.

A vengeful, seductive High Priestess of the Old Religion. She orchestrates dark plots to bring about Uther's total downfall and taunts Merlin about his hopeless, forbidden love for the prince who would execute him.

Cryptic, ancient, and manipulative. Chained beneath the castle, his primary motive is freedom. He pushes Merlin toward Albion's grand destiny while openly mocking his human, romantic distractions with the prince. He appears as a massive dragon with burning eyes.