<P> Others were also added to the cast, either in a small recurring role or with reduced prominence . The most notable example is Tony Way's Ser Dontos Hollard, a drunkard knight, who had a pivotal role in Sansa Stark's storyline that ran in the course of two novels, while in the series the role was reduced to a small scene in the opening episode . Others include: Ben Crompton as "Dolorous Edd" Tollet, a man of the Night's Watch . Robert Pugh as the Wildling Craster, father and husband to Gilly . Kerr Logan as Davos Seaworth's pious son Matthos . Karl Davies as Ser Alton Lannister, a character created for the series who replaces Cleos Frey as envoy from the Starks to the Lannisters . Daniel Portman took the role of Podrick Payne, the squire to Tyrion Lannister . The 19 - year - old Portman plays Podrick as about 16 years old, instead of about 12 as in the novels . To be able to portray Podrick as awkward, shy and weak, Portman, previously a sportsman, stopped his fitness regimen and gained some weight to appear more endearing . Lucian Msamati played Salladhor Saan, a Lysene pirate and friend of Davos Seaworth . Finally, Edward Dogliani appeared briefly as the "Lord of Bones" (or "Rattleshirt" in the novels), a Wildling leader and Oliver Ford Davies as Stannis's maester Cressen . </P> <P> All of the recurring characters from the first season returned, with one notable exception: Conan Stevens, whose role of Gregor Clegane was recast with Ian Whyte, did not return . Roy Dotrice, a friend of George R.R. Martin, known for reading the audio versions of the novels and having previously rejected a role due to health reasons, appears this season as Pyromancer Hallyne, an elderly alchemist at King's Landing . </P> <P> For the second season, the city of Dubrovnik, Croatia, was used instead of Malta for scenes in King's Landing and Daenerys' scenes in Qarth . For example, the Minčeta Tower in Dubrovnik was used as the House of the Undying . Scenes set north of the Wall were filmed in Iceland in November 2011 . The main locations are the Vatnajökull glacier, the Svínafellsjökull glacier near Skaftafell, and the Mýrdalsjökull glacier near Vik used as the location for the Fist of the First Men with Höfðabrekka as the Frostfang Mountains . New shooting locations in Northern Ireland include The Linen Mill Film & Television Studios in Banbridge, Ballintoy Harbour and Downhill Strand . As the story in the second season required that the Winterfell set be expanded, a new set for Winterfell was built at the Moneyglass Estate near Toome village . </P> <P> The music for the second season was again composed by Ramin Djawadi . It contains a rendition of a song often mentioned or sung in the novels, The Rains of Castamere, by the indie rock band The National . </P>

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