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 Clarke Peters Alonzo Quinn Guest Star Enrico Colantoni Carl Elias Guest Star Al Sapienza Detective Raymond Terney Guest Star Camryn Manheim Diane Claypool Guest Star Boris McGiver Hersh Guest Star David Valcin Scarface Guest Star John Nolan John Greer Guest Star John Doman Sen. Ross Garrison Guest Star Leslie Odom Jr. Peter Collier Guest Star Brian Wiles Officer Mike Laskey Guest Star Paul O'Brien Judge Andrew Monahan Guest Star Bruce Altman Dr. Ronald Carmichael Guest Star Matt Dellapina Officer Brady Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer, Writer Melissa Scrivner-Love Writer Dan Dietz Writer David Slack Writer Amanda Segel Writer Sean Hennen Writer Erik Mountain Writer Nic Van Zeebroeck Writer Richard J. Lewis Director Denise Thé Writer Frederick E.O. Toye Director Stephen Williams Director Michael Sopczynski Writer Jeffrey Hunt Director Chris Fisher Director