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 Sen. Ross Garrison Guest Star Camryn Manheim Control Guest Star John Doman John Greer Guest Star Oakes Fegley Gabriel Hayward Guest Star Theodora Woolley Brooks Guest Star Nick Tarabay Devon Grice Guest Star Suzy Jane Hunt Shiffman Guest Star Michael Potts Travers Guest Star Alice Chastain Levy Julia Guest Star Ryan Shams Yasim Said Guest Star Zarif Kabier Massoud Shammar Guest Star Shahar Isaac Tariq Al Juhani Guest Star Omar Rahim Hussain Ashoor Guest Star William Jackson Harper Strobel Guest Star Malikha Mallette Cable News Anchor Guest Star Giuseppe Jones Security Guard Guest Star Cliff Moylan Shooting Victim Guest Star Bill Timoney Bob Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Andy Callahan Writer Stephen Surjik Director