Taylor Wily Dead at 56 ... 'Hawaii Five-0,' 'Forgetting Sarah Marshall'

Taylor Wily -- an actor and former sumo wrestler best known for his recurring role on "Hawaii Five-0" -- has died.

According to an anchor for local Hawaii outlet KITV -- who described Taylor as a family friend ... Taylor died Thursday. KITV did not provide a cause of death.

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Television producer Peter M. Lenkov confirmed the news on his official Instagram account ... posting a picture with Wily from behind the scenes of a television show and telling his followers he's "heartbroken.".