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 Jamie Hector Link Cordell Guest Star Amir Mitchell-Townes Malcolm Booker Guest Star Kaci Walfall Tracie Booker Guest Star Winston Duke Mini Guest Star Rosie Benton Agent Erica Lennox Guest Star Alex Moggridge Thomsen Guest Star Alexandra Underwood Queen Bee Guest Star Tobias Truvillion Trig Guest Star Jermel Howard Mosley Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Denise Thé Writer Chris Fisher Director