On a joking dare from "Game of Thrones" showrunner and co-creator David Benioff, Clarke said she showed off some of her dancing skills during her audition.
"I did the robot, followed by the funky chicken," she told the Wall Street Journal. "I think it sealed the deal."
"We needed an actress who could convincingly embody both the timid, voiceless Dany we first meet, and the Mother of Dragons she later becomes," he said. "Some of the young women could do fearful but not fearsome—one or two could do the reverse. Only Emilia nailed both."
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