Jon Gries is an American actor, writer and director. He is also credited under the names Jon Francis and Jonathan Gries. He is best known for his role in Napoleon Dynamite as Uncle Rico and the film for which he was nominated for the Independent Spirit Award for Best Supporting Male, and also as recurring character Roger Linus on Lost. He is also known for his roles in Martin, The Pretender, The Monster Squad, Running Scared, Real Genius, and Dream Corp, LLC.

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