Sean Bean as Eddard Stark — The honorable Warden of the North and Lord of Winterfell.[16]
Peter Dinklage as Tyrion Lannister — A sarcastic and cynical dwarf, younger brother to the Queen of the Seven Kingdoms, Cersei Lannister.[13]
Jennifer Ehle as Catelyn Stark — The wife of Eddard Stark of Winterfell and mother of their five children.[15]
Kit Harington[22] as Jon Snow — The bastard son of Lord Eddard Stark.[16]
Tamzin Merchant as Daenerys Targaryen — The exiled princess of Westeros, one of the last members of the ancient Targaryen Dynasty.[19]
Nikolaj Coster-Waldau as Jaime Lannister — A knight of the Kingsguard and twin brother of Queen Cersei Lannister.[19]
Sophie Turner as Sansa Stark — The eldest daughter of Eddard and Catelyn Stark.[19]
Maisie Williams as Arya Stark — The third child of Eddard and Catelyn Stark, a tomboy.[19]
Mark Addy as Robert Baratheon — The King of the Seven Kingdoms, who took the Iron Throne after he crushed the royal House of the Targaryens in a bloody civil war.[18]
Iain Glen as Jorah Mormont — An exiled knight who was once the head of House Mormont and Lord of Bear Island.[19]
Richard Madden as Robb Stark — The eldest son of Eddard and Catelyn Stark, heir to Winterfell.[19]
Harry Lloyd as Viserys Targaryen — The exiled and bitter heir of the royal dynasty that once ruled the Seven Kingdoms.[16]
Alfie Allen as Theon Greyjoy — The son of the Lord of the Iron Islands, a hostage and ward of Winterfell.[19]
Jack Gleeson as Joffrey Baratheon — The eldest son of Robert Baratheon and heir to the Iron Throne.[16]