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 Al Sapienza Detective Raymond Terney Guest Star Brian Wiles Officer Mike Laskey Guest Star Kathleen Rose Perkins Vanessa Watkins Guest Star Annika Boras Nicole Spencer Guest Star Jennifer Ikeda Dr. Rachel Jensen Guest Star Paul Ben-Victor Detective Cameron Guest Star Jennifer Restivo Sarah Ellis Guest Star Stephen Bradbury Old Man Guest Star Akim Black Corner Boy 1 Guest Star Treach Reginald "Reverb" Marshall Guest Star Emily Hsu Olivia Guest Star Catherine Eaton Jillian Guest Star Timothy Jerome Ancient Banker Guest Star Sean Phillips Uni 2 Guest Star Daniel Cosgrove Jeremy Watkins Guest Star David H. Holmes Ketamine Tweaker 1 Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Melissa Scrivner-Love Writer Stephen Williams Director