Angel's Amy Acker is the "person of interest" in the May 17 season finale of Person Of Interest. The episode is titled "Firewall" and CBS has released an official description.
A PSYCHOLOGIST BECOMES THE TARGET OF ONE OF HER PATIENTS, AND THE FBI CLOSES IN ON REESE ON THE FIRST SEASON FINALE OF "PERSON OF INTEREST," THURSDAY, MAY 17
Amy Acker ("Angel," "Cabin in the Woods") Guest Stars As the Psychologist and POI
"Firewall" - When a psychologist's number comes up, Reese must protect her from one of her patients while eluding capture by the FBI, who are closing in fast. Meanwhile, Finch receives an unwelcome visit from an old acquaintance, on the first season finale of PERSON OF INTEREST, Thursday, May 17 (9:00 - 10:00 PM, ET/PT) on the CBS Television Network. Amy Acker ("Angel," "Cabin in the Woods") guest stars as the POI.
Guest Cast: Elizabeth Marvel (Corwin), Robert John Burke (Simmons), Brennan Brown (Donnelly), Paige Turco (Zoe), Amy Acker (Turing), Jason Kolotouros (Jablonski), PJ Sosko (Lulick), James Michael Reilly (Sagan), Anthony de Sando (Hans/Jimmy), Aaron Lazar (Baxter), John Bolger (Giuttari/Sam Romano), Wayne Duvall (Larsson), P.J. Benjamin (Lewis), Lesley Shires (Receptionist), Johnny Wu (RTCC Tech)
"Firewall" is written by Greg Plageman and Jonathan Nolan and directed by Richard J. Lewis.