WHEN AN ARMED WOMAN TAKES A NAVY RECRUITMENT CENTER HOSTAGE, THE NCIS TEAM IS SHOCKED TO DISCOVER CALLEN'S EX-PARTNER IS RESPONSIBLE FOR THE HOLDUP, ON "NCIS: LOS ANGELES," TUESDAY, OCT. 19

Marisol Nichols ("The Gates," "24") Guest Stars As Tracy Keller

"Standoff" - After a downtown Navy Recruitment Center is held hostage, Callen mediates with his ex-partner, Tracy Keller, to uncover information about a hijacked shipment of Spike missiles, on NCIS: LOS ANGELES, Tuesday, Oct. 19 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Marisol Nichols ("The Gates," "24") guest stars as Tracy Keller.

SERIES REGULARS:

NCIS Special Agent G. Callen................................. Chris O'Donnell
NCIS Special Agent Sam Hanna................................... LL COOL J
Henrietta "Hetty" Lange................... Linda Hunt
NCIS Special Agent Kensi Blye ................................. Daniela Ruah
LAPD Detective Marty Deeks..............Eric Christian Olsen
Tech Operator Eric Beal................ Barrett Foa

GUEST CAST:

NCIS Intelligence Analyst Nell Jones........................ Ren�e Felice Smith
Tracy Keller (Rosetti)...Marisol Nichols
FBI Special Agent John White.......................... Stephen Snedden
James Thomas Mason............ Andrew Ableson
Ty.................................................. Parry Shen
LAPD OIC Dan Evans................. Matthew Grant Godbey
ZNN Reporter.......................... Leyna Nguyen

WRITTEN BY: Joseph C. Wilson

DIRECTED BY: Dennis Smith

RATING: TVPG-LV