GIBBS MUST REASSESS THE RULES HE LIVES BY WHEN HE IS FORCED TO MAKE A DEVASTATING CHOICE, ON A REBROADCAST OF THE SEVENTH SEASON FINALE OF "NCIS," TUESDAY, DEC. 21

Rena Sofer ("24") Reprises Her Role as Attorney Margaret Allison Hart

Marco Sanchez Reprises His Role as Alejandro Rivera, A Mexican Justice Department Official

Dylan Bruno ("Numb3rs") Reprises His Role as Jason Paul Dean, A Disgraced Ex-Army Ranger

"Rule Fifty-One" - Gibbs heads to Mexico to face his demons and make a startling decision, on a rebroadcast of the seventh season finale of NCIS, Tuesday, Dec. 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Rena Sofer ("24") reprises her role as attorney Margaret Allison Hart. Marco Sanchez reprises his role as Alejandro Rivera, a Mexican justice department official. Dylan Bruno ("Numb3rs") reprises his role as Jason Paul Dean, a disgraced ex-Army Ranger. (Originally broadcast 5/25/10)

SERIES REGULARS

NCIS Special Agent Leroy Jethro Gibbs.................. Mark Harmon
NCIS Special Agent Anthony DiNozzo............. Michael Weatherly
Dr. Donald "Ducky" Mallard.................. David McCallum
Abby Sciuto............................. Pauley Perrette
NCIS Special Agent Timothy McGee......................... Sean Murray
Probationary Special Agent Ziva David............................... Cote de Pablo
NCIS Director Leon Vance............................. Rocky Carroll

RECURRING CAST

Jimmy Palmer.............................. Brian Dietzen

GUEST CAST

Margaret Allison Hart..................... Rena Sofer
Alejandro Rivera...................... Marco Sanchez
Jason Paul Dean........................... Dylan Bruno
Paloma Reynosa............... Jacqueline Obradors
Federale #1.................................... Ariel Llinas

DIRECTED BY: Dennis Smith

WRITTEN BY: Jesse Stern

RATING: TV14-LV