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 Jay O. Sanders Special Counsel Guest Star Al Sapienza Detective Raymond Terney Guest Star John Nolan John Greer Guest Star Kevyn Morrow IAB Detective Ed Solis Guest Star Opal Alladin Claudia Sugarman Guest Star Carter Gill Office Drone Guest Star Mike Masters ESU Captain Guest Star Sydney James Harcourt NYPD Uniform Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Amanda Segel Writer David Slack Writer Jeffrey Hunt Director