Maybe "Game of Thrones" star Kit Harrington has a sense of humor after all. Or not. "You won't be laughing when the white walkers rip you limb from limb," he warns guests at Seth Meyers' dinner party after they make a joke about global warning. But he tries to fit in, he really tries, with the small talk and the banter, but it's tough when your father was beheaded, your brother was murdered at his own wedding and you never met your mother. Also, he's terrible at charades.

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