<P> In January 2015, The Hollywood Reporter stated that numerous actresses, including Tatiana Maslany, Rooney Mara, and Felicity Jones were being tested for the film's lead . In February 2015, it was announced that Jones was in final talks to star in the film, while Aaron Paul and Édgar Ramírez were being eyed for the male lead role . In March 2015, Jones was officially cast . In March 2015, Deadline.com reported a rumor that Ben Mendelsohn was being considered for a lead role . The next month, TheWrap reported that Sam Claflin was being eyed for a role, while Riz Ahmed was in negotiations to join the film . In May, Mendelsohn, Ahmed, and Diego Luna were added to the cast of the film, in the lead roles . Forest Whitaker was added to the cast in June 2015 . In July 2015, Jonathan Aris was cast to play Senator Jebel . Genevieve O'Reilly was cast as Mon Mothma, reprising her role from Star Wars: Episode III--Revenge of the Sith . James Earl Jones was confirmed to return as the voice of Darth Vader in June 2016 . </P> <P> Principal photography on the film began at Elstree Studios in Hertfordshire on August 8, 2015 . Much of the other photography was completed at or near Pinewood Studios at Buckinghamshire, UK where huge sets were built to complement scenes filmed elsewhere in the world . The film was shot using Ultra Panavision 70 lenses with Arri Alexa 65 large format digital 6K cameras . </P> <P> Filming locations were used around the world . In Iceland, the crew shot in Reynisfjara, and around the mountains of Hjörleifshöfði and Hafursey at Mýrdalssandur, which were used to represent Lah'mu and Eadu . Also used were the Krafla area with its volcanic crater and around Lake Mývatn's rock formations . The islands of Gan and Baresdhoo of the Laamu Atoll in the Maldives, as well as RAF Bovingdon, were used to represent Scarif . Wadi Rum in Jordan was used to represent Jedha . Pymmes Park in Edmonton, London was also used for location filming, and scenes set on Yavin 4 were filmed at RAF Cardington . Gareth Edwards selected the London Underground's Canary Wharf station as a location for a chase scene in an Imperial base; the location shoot took place between midnight and 4 am, when the station was closed to the public . </P> <P> The film spent a total of $265 million and received a $45 million subsidy from the United Kingdom's film incentive program . </P>

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