Gerard Butler as King Leonidas of Sparta in '300'
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Stars Who've Suffered The 'Bridget Jones' effect For Their Art
4. Gerard Butler as King Leonidas of Sparta in '300'
Getting in shape for a role is one thing, but completely altering your physique demands new levels of commitment. The workout regime required for Gerard Butler to become a believable warrior took the 45-year-old actor four months and a gruelling regime under the guidance of former world-class mountain climber Mark Twight AND Venezuelan body builder Franco LiCastro. Picture: Photoshot