Merlin (played by Colin Morgan) is a protagonist in Merlin.
A young, powerful warlock who arrives in Camelot and stays with court physician Gaius. After hearing the voice of the imprisoned dragon Kilgharrah, he learns of his destiny to protect Prince Arthur. Initially appointed as Arthur's manservant, their relationship evolves from rivalry to deep mutual respect and trust, ultimately joining forces to secure their destinies and protect Camelot. Gwen (played by Angel Coulby) is a protagonist in Merlin.
Morgana (played by Katie McGrath) appears in Merlin.
King Uther's ward whose relationship with the king deteriorates due to his harsh policies on magic. This leads her to turn against Camelot and pursue a path of evil, necessitating an alliance between Merlin and Arthur to protect their home. Gaius (played by Richard Wilson) appears in Merlin.
The court physician of Camelot who takes Merlin in after his mother arranges for him to stay with him. He serves as Merlin's guardian and mentor within the castle. Kilgharrah (played by John Hurt) appears in Merlin.
Sir Leon (played by Rupert Young) appears in Merlin.
Percival (played by Tom Hopper) appears in Merlin.
Merlin (2008) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Merlin
(played by Colin Morgan) — protagonist
A young, powerful warlock who arrives in Camelot and stays with court physician Gaius. After hearing the voice of the imprisoned dragon Kilgharrah, he learns of his destiny to protect Prince Arthur. I...
Gwen
(played by Angel Coulby) — protagonist
Morgana
(played by Katie McGrath) — supporting
King Uther's ward whose relationship with the king deteriorates due to his harsh policies on magic. This leads her to turn against Camelot and pursue a path of evil, necessitating an alliance between...
Gaius
(played by Richard Wilson) — supporting
The court physician of Camelot who takes Merlin in after his mother arranges for him to stay with him. He serves as Merlin's guardian and mentor within the castle.
Kilgharrah
(played by John Hurt) — supporting
Sir Leon
(played by Rupert Young) — supporting
Percival
(played by Tom Hopper) — supporting
Key Relationships
Merlin → Gaius
(Master-Apprentice)
Merlin → Morgana
(Former Allies Turned Enemies)
Gwen → Morgana
(Betrayed Confidantes)
Merlin → Gwen
(Indispensable Partners)
Gaius → Morgana
(Guardian Turned Adversary)
Merlin → Kilgharrah
(Prophetic Guide)
Kilgharrah → Morgana
(Prophetic Adversaries)
Gwen → Sir Leon
(Loyal Companions)
Gaius → Gwen
(Protective Friendship)
Merlin → Percival
(Military Comrades)
Merlin → Sir Leon
(Tactical Partners)
Morgana → Sir Leon
(Regime vs Loyalist)
Gwen → Percival
(Dependable Comrades)
Morgana → Percival
(Opposing Forces)
Gaius → Percival
(Medical Supporter)
Story Analysis
Overall narrative architecture across all 5 seasons
