Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Taraji P. Henson Joss Carter Actor Kevin Chapman Lionel Fusco Actor Carrie Preston Grace Hendricks Guest Star Amy Acker Root Guest Star Sarah Shahi Sameen Shaw Guest Star Brett Cullen Nathan Ingram Guest Star Enrico Colantoni Carl Elias Guest Star Jay O. Sanders Special Counsel Guest Star Boris McGiver Hersh Guest Star Al Sapienza Detective Raymond Terney Guest Star Morgan Spector Peter Yogorov Guest Star Peter Friedman Lawrence Szilard Guest Star Richard Gallagher Jilted Man Guest Star Abraham Makany Asif Guest Star Hadi Tabbal Translator Guest Star Susan Cella Lady Driver Guest Star Tom Galantich Businessman Guest Star Brad Heberlee Engineer Guest Star Wesley Broulik Caretaker Guest Star Jordan Lage Carson Guest Star Carmen Ruby Floyd Nurse Guest Star Nick Mills Uni Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer, Writer David Semel Executive Producer Greg Plageman Executive Producer Patrick Harbinson Writer Richard J. Lewis Director