Danielle Turchiano Senior Features Editor, TVWhen an alien crash-lands on Earth and takes over the body of a small-town doctor in Syfy’s “Resident Alien,” he spends hours rewinding and mimicking the same lines of dialogue from “Law & Order” in order to learn how to walk, talk and interact with humans. But as much as he intends to utilize those lessons when venturing out in town, “life comes at him fast,” Alan Tudyk, who plays the alien, admits.