Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Boris McGiver Hersh Guest Star Samm Levine Owen Matthews Guest Star Sally Pressman Holly Guest Star Maechi Aharanwa Gate Agent Guest Star Lucy Martin Older Lady Guest Star Marc Kudisch Businessman Guest Star Wallace Smith Pilot Guest Star Michael A. Newcomer Copilot Guest Star Adam Henry Garcia Carlos Guest Star Bill English Foster Guest Star John E. Brady Second Marshal Guest Star David Anzuelo Colombian Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer, Writer Melissa Scrivner-Love Writer Stephen Williams Director