Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Al Sapienza Detective Raymond Terney Guest Star Zachary Booth Chase Patterson Guest Star Patch Darragh Gil Guest Star Paul Diomede Jerome Guest Star William DeMeo Carlo Guest Star John Dinello Clerk Guest Star Matthew J. Harris Chef Guest Star Elena McGhee Housekeeper Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer Alrick Riley Director Erik Mountain Writer Melissa Scrivner-Love Writer