Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Enrico Colantoni Carl Elias Guest Star John Nolan John Greer Guest Star David Valcin Scarface Guest Star Winston Duke Dominic Guest Star Ohene Cornelius The Armorer Guest Star Jeff Solomon Mr. Needlehoe Guest Star Michaela Waters Elena Mindler Guest Star Jessica Hecht Beth Bridges Guest Star Mark St. Cyr Airport Cop Guest Star Oliver Henzler Banks Van Hess Guest Star Eddie Clark Fake Evidence Sergeant Guest Star Lorraine Farris Vault Receptionst Guest Star Louis Lourens Samaritan Representative Guest Star Robert Chang HK Mugger Guest Star Yinka Adeboyeku Airport Masked Man 1 Guest Star Kevin McGrue Moto Masked Man 1 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 Kenneth Fink Director