THE TERRORISTS REVEAL THEMSELVES, BUT THE MANHUNT IS ANYTHING BUT OVER, ON THE WINTER FINALE OF ABC’S “QUANTICO”Marcia Cross and Eliza Coupe Guest Star“Inside” – The terrorists responsible for the bombing of Grand Central Station finally reveal themselves, but instead of answers, more questions remain. While back at Quantico, the recruits receive a well-deserved few days off for the holidays, but not everyone is oh so merry when secrets are revealed and lines and blurred, on “Quantico” SUNDAY, DECEMBER 13 (10:00–11:00 p.m., EST) on the ABC Television Network.Marcia Cross (“Desperate Housewives”) guest stars as Claire Haas, and Eliza Coupe (“Happy Endings”) guest stars as Hannah Wyland.“Quantico” stars Priyanka Chopra as Alex Parrish, Josh Hopkins as Liam O’Connor, Aunjanue Ellis as Miranda Shaw, Jake McLaughlin as Ryan Booth, Tate Ellington as Simon Asher, Johanna Braddy as Shelby Wyatt, Graham Rogers as Caleb Haas, Yasmine Al Massri as Nimah Amin and Anabelle Acosta as Nathalie Vasquez.Guest starring are J. Mallory McCree as Charlie Price, Marcia Cross as Claire Haas, Eliza Coupe as Hannah Wyland, Rick Cosnett as Elias Harper and Mark Pellegrino as Clayton Haas.“Inside” was written by Joshua Safran and directed by Thor Freudenthal.