Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Taraji P. Henson Joss Carter Actor Kevin Chapman Lionel Fusco Actor Michael Murphy Congressman Jim Hallen Guest Star Bridget Regan Wendy McNally Guest Star Melonie Diaz Paula Vasquez Guest Star Jeremy Beck Matt Dugan Guest Star Helen Coxe Claire Ryan Guest Star J. Bernard Calloway Dawyne Guest Star Tracey Ruggiero Nurse Guest Star Michael Kelly Mark Snow Guest Star Jack Gwaltney Davis Bannerman Guest Star Allan Louis Detective Olson Guest Star Darien Sills-Evans Tyrell Evans Guest Star Christina Gordon Officer Demora Guest Star Keren Dukes Aide Guest Star Morgan Weed Coworker Guest Star Lucas Caleb Rooney Diski Guest Star Selenis Leyva Hosking Guest Star John Fiore Capt. Womack Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Patrick Harbinson Writer Jeffrey Hunt Director