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 Brian Wiles Officer Mike Laskey Guest Star Leslie Odom Jr. Peter Collier Guest Star Kirk Acevedo Timothy Sloan Guest Star Peter von Berg Morozov Guest Star Michael Zlabinger Transport Operative A Guest Star Donnie Keshawarz Nick Breckenridge Guest Star Michael Esper Jason Greenfield Guest Star Sean Dougherty Masked Man A Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Dan Dietz Writer Helen Shaver Director