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Green Lantern, a superhero film released in 2011, features Mark Strong portraying the character of Sinestro. This supervillain, initially a respected member of the Green Lantern Corps, succumbs to fear and wields a yellow power ring, becoming a formidable adversary for the protagonist Hal Jordan. Strong's portrayal adds depth to the character's motivations, making Sinestro a compelling antagonist in the movie.