Meet the Dexter Reboot Cast
Get a Sneak Peek at the Killer Cast For Showtime's Revival of Dexter
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Lithgow returns to the world of Dexter in his Emmy-winning role as the feared Trinity Killer, Arthur Mitchell. It'll be interesting to see how Lithgow's character is brought back for the limited series, as he was originally killed off by Dexter in the season four finale, "The Getaway."