THOUGH GIBBS' ARCH-NEMESIS IS THE LEAD SUSPECT IN THE LATEST CASE, HE LEAVES THE INVESTIGATION TO HIS TEAM IN ORDER TO HELP A DESTRUCTIVE AND GRIEF-STRICKEN FORNELL, ON "NCIS," TUESDAY, FEB. 17

Joe Spano Returns as Senior FBI Agent T.C. Fornell

"Cabin Fever" - The NCIS team suspects Gibbs' arch-nemesis is behind an explosion at a summit for global terror event, but Gibbs elects to sit out the investigation in order to help a grief-stricken Fornell, whose life is on the verge of imploding following his wife's murder, on NCIS, Tuesday, Feb. 17 (8:00-9:00 PM, ET/PT), on the CBS Television Network.

REGULAR CAST:

Mark Harmon (NCIS Special Agent Leroy Jethro Gibbs)
Michael Weatherly (NCIS Special Agent Anthony "Tony" DiNozzo)
David McCallum (Dr. Donald "Ducky" Mallard)
Pauley Perrette (Abby Sciuto)
Sean Murray (NCIS Special Agent Timothy McGee)
Rocky Carroll (NCIS Director Leon Vance)
Brian Dietzen (Jimmy Palmer)
Emily Wickersham (Probationary NCIS Agent Eleanor "Ellie" Bishop)

GUEST CAST:

Joe Spano (Senior FBI Agent T.C. Fornell)
Lev Gorn (Russian Counselor Anton Pavlenko)
Juliette Angelo (Emily Fornell)
Alex Veadov (International Mercenary Sergei Mishnev)
Marcelo Tubert (Nazar Boulos)
Joshua Sawtell (Frankie Boulos)
Courtney Hope (Petty Officer Second Class Judy Sloan)
Scott Michael Morgan Presciliana Esparolini (Virginia State Trooper Keyes)
(Virginia State Trooper Johnson)
Melinda McGraw (Diane Sterling)

WRITTEN BY: Scott Williams

DIRECTED BY: Bethany Rooney