<P> David Benioff and D.B. Weiss serve as main writers and showrunners for the third season . They co-wrote seven out of ten episodes . The remaining three episodes were written by Bryan Cogman, Vanessa Taylor, and the author of A Song of Ice and Fire, George R.R. Martin . </P> <P> Daniel Minahan, Alex Graves, Michelle MacLaren, and David Nutter each directed two episodes . One further episode was directed by previous series cinematographer, Alik Sakharov, whereas another was co-directed by Benioff and Weiss, both making their directorial debuts, although only Benioff is credited for directing the episode . </P> <P> The filming of the third season began in early July 2012, and concluded with the wrap of the unit filming in Iceland on November 24, 2012 . Filming in Iceland, for scenes in five of the season's ten episodes, took place near Akureyri and Lake Mývatn . Dimmuborgir was used as the location for Mance Rayder's wildling army camp, and the Grjótagjá cave was used as establishing shot of Jon Snow and Ygrite in the cave although most of this scene was filmed in the studio . The filming in Iceland lasted eight days, as opposed to nearly a month for season 2 . Kit Harington (Jon Snow) broke an ankle in an accident in July, which required the Iceland shoots to be pushed back to give him time to heal, as well as the occasional use of a body double . </P> <P> The production was again based in Belfast, Northern Ireland, and continued to receive support from the Northern Ireland Screen fund . The production used various locations in Northern Ireland to film scenes in the North and the Riverlands . The production also returned to Dubrovnik in Croatia for scenes in King's Landing . Morocco, a new location, was used to film Daenerys' scenes in Essos such as the city of Astapor, for which locations in Essaouira were used . A scene involving a live bear was filmed in Los Angeles . </P>

When was season 3 of game of thrones filmed
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