Eddard (Ned) Stark – The honorable lord of Winterfell and Warden of the North.

Catelyn Stark – Ned's wife, originally from House Tully.

Robb Stark – The eldest son of Ned and Catelyn, who becomes King in the North.

Sansa Stark – The eldest daughter, who starts as a naive girl but grows into a powerful political figure.

Arya Stark – The rebellious younger daughter, who embarks on a journey of self-discovery and vengeance.

Bran Stark – The second son, who becomes the "Three-Eyed Raven," a key figure with mystical powers.

Rickon Stark – The youngest Stark child.

Jon Snow – Ned Stark’s illegitimate son (a "bastard") raised at Winterfell, later revealed to have a crucial lineage.

Tywin Lannister – The cunning and ruthless head of House Lannister.

Cersei Lannister – Tywin's daughter, Queen and wife to King Robert Baratheon, with ambitions of power.

Jaime Lannister – Cersei's twin brother, known as the "Kingslayer."

Tyrion Lannister – Tywin’s witty and sharp-tongued youngest son, often underestimated because of his size.

Daenerys Targaryen – The last surviving Targaryen after the fall of her family, she seeks to reclaim the Iron Throne.

Viserys Targaryen – Daenerys' older brother, obsessed with restoring their family’s rule.

Aerys II Targaryen (The Mad King) – The father of Daenerys and Viserys, whose madness led to the Targaryen downfall.

Robert Baratheon – The King of the Seven Kingdoms at the start of the series, who overthrew the Targaryens.

Stannis Baratheon – Robert's brother, who believes he is the rightful king.

Renly Baratheon – Robert's younger brother, who also claims the throne.

Balon Greyjoy – The Lord of the Iron Islands, who seeks independence from the Seven Kingdoms.

Theon Greyjoy – Balon’s son, raised by the Starks as a hostage.

Yara Greyjoy – Theon’s fierce sister, who leads her own ships.

Mace Tyrell – The Lord of Highgarden, with political ambitions.

Margaery Tyrell – His beautiful and ambitious daughter, who becomes Queen consort to several kings.

Doran Martell – The ruler of Dorne, seeking peace after his brother’s death.

Oberyn Martell – Doran's younger brother, known for his fiery temper and pursuit of vengeance.

Petyr Baelish (Littlefinger) – A manipulative and ambitious nobleman who seeks power at any cost.

Varys – The "Spider," a master of espionage and political maneuvering.

Brienne of Tarth – A loyal and honorable knight known for her strength and dedication to protecting her oath.

Sandor Clegane (The Hound) – A brutal warrior with a scarred face, who forms a complex relationship with Arya Stark.

Samwell Tarly – A member of the Night's Watch and Jon Snow's close friend.

Jorah Mormont – A former knight who serves Daenerys Targaryen, hiding his past.

Khal Drogo – A Dothraki warlord and Daenerys’ first husband.

Gendry – A blacksmith and the illegitimate son of King Robert Baratheon.