Helen Sloan/HBO, Jeff Kravitz/FilmMagic March 29, 2013 2:00 PM
The cast of HBO's "Game of Thrones" goes through drastic transformations to embody their medieval-fantasy characters. Click through this slideshow to compare the cast's real-life and "GoT" looks.
Season 3 premieres Sunday, 3/31 at 9 PM on HBO.
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