Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor John Nolan John Greer Guest Star John Doman Sen. Ross Garrison Guest Star John Heard Congressman Roger McCourt Guest Star Morocco Omari Carlson Guest Star Tracy Howe Duran Guest Star Stephanie Gibson Leslie Guest Star Luis Bordoy Ray Guest Star Murphy Guyer Bruce Dunphy Guest Star Cortez Nance Jr. Disheveled Man Guest Star Daniel J. Osipowich SWAT Leader Guest Star Marcus Lorenzo Julio Guest Star David Adams Another SWAT Guest Star Kate Sullivan-Green Anchor 1 Guest Star Maurice DuBois Anchor 2 Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Lucas O'Connor Writer Erik Mountain Writer Richard J. Lewis Director