- Jim Caviezel (John Reese)
- Michael Emerson (Harold Finch)
- Kevin Chapman (Lionel Fusco)
- Amy Acker (Root)
- Sarah Shahi (Sameen Shaw)
Person of Interest — S1E23
Episode: Firewall
Air Date: 2012-05-17
Runtime: 43 min
Overview
As the clock ticks down, Reese winds up trapped with his POI in the most heavily surveilled part of the city, forced to rely on the help of Finch, Carter and Fusco to fend off the FBI, corrupt cops and a slew of old foes.