Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Keith David Terence Beale Guest Star Nicholas Baroudi Agent Ortega Guest Star Stephen Plunkett Alex Duncan Guest Star Darren Goldstein Brent Tomlinson Guest Star Asta Hansen Dinah Campbell Guest Star Brian McCormack Phil Campbell Guest Star Annie Parisse Kara Stanton Guest Star Wrenn Schmidt Dr. Iris Campbell Guest Star Collin Smith Waiter Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Erik Mountain Writer Stephen Surjik Director