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  ===Casting===
  On May 5, 2009, it was announced that Peter Dinklage had been signed on to star as Tyrion Lannister in the pilot, and that Tom McCarthy was set to direct. On July 19, 2009, a number of further casting decisions were announced, including Sean Bean being given the role of Ned Stark. Other actors signed on for the pilot were Kit Harington in the role of Jon Snow, Jack Gleeson as Joffrey Baratheon, Harry Lloyd as Viserys Targaryen, and Mark Addy as Robert Baratheon.
  At the beginning of August 2009, it was revealed that Catelyn Stark would be portrayed by Jennifer Ehle. On August 20, more casting announcements were made, including Nikolaj Coster-Waldau as Jaime Lannister and Tamzin Merchant as Daenerys Targaryen, as well as Richard Madden in the role of Robb Stark, Iain Glen as Ser Jorah Mormont, Alfie Allen as Theon Greyjoy, Sophie Turner as Sansa Stark and Maisie Williams as Arya Stark. On September 1 Lena Headey was announced as Cersei Lannister. On September 23, Martin confirmed that Rory McCann had been cast as Sandor Clegane. Isaac Hempstead-Wright was confirmed as Bran Stark on October 14, followed by an announcement of Jason Momoa as Khal Drogo three days later.
  After the pilot was shot and the series picked up, it was announced that the role of Catelyn had been recast, with Michelle Fairley replacing Ehle.  Later, it was also confirmed that Emilia Clarke would replace Tamzin Merchant as Daenerys. The rest of the cast was filled out in the second half of the year, and included Charles Dance as Tywin Lannister, Aidan Gillen as Petyr 'Littlefinger' Baelish, and Conleth Hill as Varys.