Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Taraji P. Henson Joss Carter Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Robert John Burke Officer Patrick Simmons Guest Star Clarke Peters Alonzo Quinn Guest Star Sean McCarthy Lee Fusco Guest Star Matt Dellapina Officer Brady Guest Star Khalil Kain Officer Lin Guest Star Luis Da Silva Jr. Trinitario Leader Guest Star Jas Anderson Blood Leader Guest Star Paul O'Brien Judge Andrew Monahan Guest Star Devin Ratray Beat Cop Guest Star Paul Woodburn Ed Guest Star Cullen R. Titmas HR Detective Guest Star Jay Ward Uni 1 Guest Star Taylor C. Hays Uni 2 Guest Star Zachary Fine Federal Agent Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Denise Thé Writer Frederick E.O. Toye Director