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 Enrico Colantoni Carl Elias Guest Star David Valcin Scarface Guest Star Rey Valentin Jack Salazar Guest Star Max Martini RIP Guest Star Alano Miller Robert Johnson, R.J. Phillips Guest Star Diane Guerrero Ashley Guest Star Dan Amboyer Don Juan Guest Star Steven Ogg Chuck Guest Star Paulina Singer Amber Guest Star Alberto Bonilla Angel Guest Star Roman Roytberg Maksim Guest Star Ben Horner Jarhead 1 Guest Star Sekou Laidlow Swabbie 1 Guest Star Tony Naumovski Russian Thug 1 Guest Star Cosmo Pfeil Devil Dog 1 Guest Star Bruce Altman Dr. Ronald Carmichael Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer, Writer Denise Thé Writer Chris Fisher Director