Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Annie Parisse Kara Stanton Guest Star Camryn Manheim Control Guest Star Jay O. Sanders Special Counsel Guest Star John Nolan John Greer Guest Star Neil Jackson Rick Dillinger Guest Star Joseph Mazzello Daniel Casey Guest Star Casey Siemaszko Lester Strickland Guest Star Julian Ovenden Jeremy Lambert Guest Star Dillan Arrick Haley McNabb Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Nic Van Zeebroeck Writer Michael Sopczynski Writer Stephen Surjik Director