Adam Driver took his role in Star Wars: The Force Awakens very seriously, employing an intense Method-minded approach for his portrayal of Kylo Ren.

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According to his fellow cast members, who recently spoke to Rolling Stone about J.J. Abrams' upcoming film, Driver often remained in character on set, going so far has to keep his mask on between scenes.John Boyega, who took a different approach in playing Finn, discussed Driver's method, saying, "it was great to see him go for his process. It was intense." Driver also discussed his approach, saying his goal was "to forget you're in Star Wars and treat it like any other job that's filled with moments and problems."The Kylo Ren actor also shed light on his experience in delivering a speech to Darth Vader's disfigured helm, adding: "When someone sets the scene for you, it's always very funny. The idea that in this reality, Darth Vader is real."Star Wars: The Force Awakens opens December 18. Harrison Ford has already seen the film and found it to be "a wonderful movie" with "great production values." For more on J.J. Abrams' upcoming space epic, read up on the director's "horrifying" experience screening the film for Disney

Alex Osborn is a freelance writer for IGN. You can follow him on Twitter