Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Luke Kleintank Caleb Phipps Guest Star Winston Duke Dominic Guest Star Jessica Pimentel Floyd Guest Star Connor Hines Trey Wender Guest Star Annie Ilonzeh Harper Rose Guest Star William DeMeritt Noah Guest Star Kareem Savinon Jorge Guest Star Shabazz Ray Ike Guest Star Trevor Zhou Javier Braga Guest Star Raymond Neil Hernandez Alfonso Guest Star Carlos Leon Nico Guest Star Haley Higgins Isabel Guest Star Barthelemy Atsin SWAT One Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer, Writer Amanda Segel Writer Frederick E.O. Toye Director