THE TEAM MUST DEVISE NEW WAYS TO CONTINUE THEIR WORK WITHOUT BEING DETECTED BY SAMARITAN AFTER THEY'RE FORCED TO TAKE ON NEW IDENTITIES, ON THE FOURTH SEASON PREMIERE OF "PERSON OF INTEREST," TUESDAY, SEPT. 23

"Panopticon" - Forced to take on new identities created by Root, the team tries to adapt to their new lives. However, some find it hard to ignore The Machine's numbers, which puts them all at risk of being detected by Samaritan, on the fourth season premiere of PERSON OF INTEREST, Tuesday, Sept. 23 (10:01-11:00 PM, ET/PT) on the CBS Television Network.

REGULAR CAST:

Jim Caviezel (John Reese)
Michael Emerson (Harold Finch)
Kevin Chapman (Lionel Fusco)
Sarah Shahi (Sameen Shaw)
Amy Acker (Root)

RECURRING CAST:

Enrico Colantoni (Elias)
John Nolan (Greer)
John Doman (Garrison)
David Valcin (Scarface)

GUEST CAST:

Cara Buono (Martine)
Navid Negahban (Ali)
Jamie Hector (Link)
Eshan Bay (Ben)
Frederick Weller (Novak)
Michael J. Burg (Department Store Floor Manager)
Tama Filianga (Lowlife)
Jason Carvell (NYPD Officer)
Andrew Polk (University Dept. Chair)
Shawn Parsons (Positivity Speaker)
Gregory Konow (Beat Cop)
Leopold Manswell (Wood)

WRITTEN BY: Erik Mountain and Greg Plageman

DIRECTED BY: Richard J. Lewis