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  ===Royal court and officials===
  * '''Qyburn''' (seasons 3–8) portrayed by Anton Lesser, Anton Lesser is an ex-maester who was found by Robb Stark at Harrenhal. He becomes a servant of Roose Bolton. Qyburn lost his title as a maester when he was caught performing human experiments on live patients. Qyburn justifies his actions for the sake of medical knowledge. He tends to Jaime after the latter loses his right hand and travels with him to King's Landing in the hope of having his title restored. In season 4, Qyburn cures Jaime of infection, allowing the skin to heal fully and has a solid gold hand forged for him, earning him Cersei's respect and gratitude. Cersei later enlists his help in curing Gregor Clegane of a deadly poison inflicted on him by Oberyn Martell in the trial by combat. Qyburn warns that his help may "change" Clegane, but when Cersei asks if it will make him weaker, he enthusiastically implies the opposite. After Tywin's death and Varys's treason and escape, Cersei appoints him the new Master of Whispers, much to Grand Maester Pycelle's disapproval. When the Queen mother is imprisoned by the Faith Militant, he is the only one to visit her and informs her of her uncle Kevan's appointment as the new Hand of the King. When Cersei returns to the Red Keep after her Walk of Atonement, Qyburn warmly greets her and presents her the newest member of the Kingsguard, an undead version of Ser Gregor, the results of his experiments. He sways most of Varys's little birds to his service and learns of the caches of wildfire that the Mad King had stored underneath King's Landing. After Cersei removes all of her enemies by destroying the Great Sept of Baelor with everyone inside and later crowning herself Queen, she names Qyburn as her Hand. At the parley in the Dragonpit, while everyone else is terrified by the wight and horrified when it continues to fight after being cut in half, Qyburn is instead fascinated, picking up the dismembered wight's hand and inspecting it as it twitches.
  * '''Grand Maester Pycelle''' (seasons 1–6) portrayed by Julian Glover, Julian Glover is a Grand Maester of the Seven Kingdoms, is an advisor and member of the Small Council. He had served the previous three kings as Grand Maester before Robert's reign. Pycelle is later revealed to be a spy for the Lannisters, Cersei specifically, and he who informed her of Jon Arryn's investigation of her affair with Jaime. To prevent himself from being undermined, Tyrion has Pycelle arrested and sent to the dungeons, but Cersei frees and Tywin Lannister reinstates him. A deleted scene from season 3 shows that Tywin is not fooled by Pycelle's frail old man guise. In season 4, Pycelle makes false accusations at Tyrion's trial, claiming that Tyrion had stolen poisons from his office to murder Joffrey. Later on, when he proves unable to save the poisoned Gregor Clegane and openly doubts Qyburn's abilities, Cersei orders him to leave, giving his position to Qyburn. He later attends Tywin's funeral and proposes himself as the next Hand of the King, Cersei ignores him and appoints Qyburn as the new Master of Whispers. When Cersei is incarcerated by the Faith Militant, Pycelle summons uncle Kevan from Casterly Rock and gives him the position of Hand of the King. He is present at Cersei's return to the Red Keep after her Walk of Atonement. He continues to be dismissive towards both Cersei and Jaime, acknowledging that Cersei no longer holds any power. On the day of Cersei and Loras's trial, however, he is lured to Qyburn's laboratory by the little birds and stabbed to death, orchestrated by Cersei and Qyburn.
  * '''Meryn Trant''' (seasons 1–5) portrayed by Ian Beattie, Ian Beattie Ser Meryn Trant is an obedient member of the Kingsguard. He seems perfectly willing to do whatever Joffrey commands, no matter how vile the order. In Season 1, as Eddard Stark is being arrested, he is ordered by Cersei to bring her Arya Stark. Arya's fencing instructor, Syrio Forel, defends Arya from Ser Meryn and is presumably killed. Meryn is present at Tyrion's trial for Joffrey's murder, where he recounts some veiled threats Tyrion had made against Joffrey in season 2, while conveniently omitting that he and Joffrey had been beating Sansa Stark at the time. In season 5, he attends Tywin Lannister's funeral, accompanying Cersei. He is later appointed by the latter to travel as a bodyguard to Mace Tyrell to his meeting with the managers of the Iron Bank of Braavos. In Braavos, he attends a brothel and asks for underage girls. He is ambushed there and killed by Arya.
  * '''The High Septon''' (seasons 3–5) portrayed by Paul Bentley, is the head the Faith of the Seven, the dominant organized religion of southern Westeros. This septon becomes High Septon in season three after the death of his predecessor by the hands of the rioting mob in King's Landing. He was the officiant at the wedding ceremony of Tyrion Lannister and Sansa Stark and later at the wedding ceremony of King Joffrey Baratheon and Margaery Tyrell. The High Septon also prepares the body of King Joffrey for his funeral and leads the coronation ceremony of King Tommen Baratheon. He is later present at Tywin's funeral. He is attacked and humiliated by the Sparrows after being found in a brothel. When he tries to make the Small Council help him get revenge against them, Cersei decides to remove him from his position and has him arrested, giving the position to the High Sparrow.
  * '''Dontos Hollard''' (seasons 2, 4) portrayed by Tony Way, Ser Dontos Hollard is a knight serving at the court of King's Landing. He shows up drunk at a tourney for Joffrey's birthday, so the young king threatens to execute him. Sansa saves his life by suggesting he be made a jester instead. In season 4, Dontos gives Sansa what he says is his mother's necklace as a gift and helps smuggle her out of King's Landing after Joffrey is killed, apparently by Tyrion. Dontos takes her to one of Stannis Baratheon's ships in Blackwater Bay, to Petyr Baelish. Rather than pay Dontos the promised gold, however, Baelish has his men kill Dontos for fear that he will be bribed into talking, and reveals that the whole time, Dontos was working for him, and leaves the necklace, which contained the poison used to kill Joffrey, with his corpse to implicate Tyrion.
  * '''Hallyne''' (season 2) portrayed by Roy Dotrice, Roy Dotrice is the chief "Wisdom" of the Order of Pyromancers in King's Landing. Pyromancers, whose magical skill is questioned by Bronn and Tyrion, are primarily used to produce wildfire, a very dangerous, highly combustible chemical weapon. Tyrion uses his help for the Battle of Blackwater.
  * '''Ilyn Payne''' (seasons 1–2) portrayed by Wilko Johnson, Wilko Johnson Ser Ilyn, also called "the King's Justice", is the mute royal executioner. He lost his tongue for speaking ill of Aerys II during the Mad King's reign. He carries out Joffrey's order to execute Eddard Stark and is temporarily given the Stark family sword, Ice.