CALLEN AND KENSI HEAD OVERSEAS AND SAM AND HIS WIFE GO UNDERCOVER WHEN AN EXPLOSION REIGNITES THE SEARCH FOR STOLEN NUCLEAR WEAPONS, ON A REBROADCAST OF "NCIS: LOS ANGELES," TUESDAY, SEPT. 17

Guest Stars Include Aunjanue Ellis as Michelle Hanna, Christopher Lambert as Marcel Janvier and Timothy V. Murphy as Isaak Sidorov

"Descent" - An explosion in the desert rekindles the search for stolen nuclear weapons and prompts Hetty to shuffle the NCIS: LA partnerships, sending Callen and Kensi overseas and Sam and Deeks teamed up stateside, on a rebroadcast of NCIS: LOS ANGELES, Tuesday, Sept. 17 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Guest stars include Aunjanue Ellis as Michelle Hanna, Christopher Lambert as Marcel Janvier and Timothy V. Murphy as Isaak Sidorov. (Originally broadcast 5/14/13.)

SERIES REGULARS:

Chris O'Donnell (NCIS Special Agent G. Callen)
LL COOL J (NCIS Special Agent Sam Hanna)
Linda Hunt (Henrietta "Hetty" Lange)
Daniela Ruah (NCIS Special Agent Kensi Blye)
Eric Christian Olsen (LAPD Detective Marty Deeks)
Barrett Foa (Tech Operator Eric Beale)
Renée Felice Smith (NCIS Intelligence Analyst Nell Jones)
Miguel Ferrer (NCIS Assistant Director Owen Granger)

GUEST CAST:

Aunjanue Ellis (Michelle Hanna)
Christopher Lambert (Marcel Janvier)
Timothy V. Murphy (Isaak Sidorov)
Alon Moni Aboutboul (Naseem Vaziri)
Pasha Lychnikoff (Michael Zhrov)
Massi Furlan (Mikhail Andros)
Marco Rodriguez (Professor Rodrigo Tamariz)
Gabriel Luna (Geology Student)
Natasha Alam (Veronica Pisconov)
Kym Jackson (Maya Yerzov)
Zylan Brooks (Bank Manager)
Fahim Fazli (Iranian Guard)

WRITTEN BY: Frank Military

DIRECTED BY: Terrence O'Hara

RATING: To Be Announced