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Descent is the 24th and final episode of NCIS: Los Angeles Season 4 as well as the 96th episode of the entire NCIS: Los Angeles series.

Synopsis

An explosion in the desert brings the search for the missing nuclear bombs to the top of OSP's list. To accommodate things, Hetty rearranges the partnerships, resulting in Callen and Kensi going to Iraq while Sam and Deeks stay in Los Angeles as they attempt to find the bombs before they're sold but the appearance of an old enemy threatens the entire case with severe consequences for two OSP personnel.

Plot

Callen aiming his weapon at Marcel Janiver.

Major Events

  • Deeks and Kensi confront their feelings for each other for the first time and share their first official kiss.
  • Sam and Deeks are captured by Isaak Sidorov and are tortured.

Trivia

  • This is the final episode to have Miguel Ferrer (Owen Granger) credited as a member of the recurring cast.

Cast

Series Regulars

Name Portrayed by Role
G. Callen Chris O'Donnell NCIS Special Agent and the leader of the Office of Special Projects field team.
Sam Hanna LL Cool J A former Navy SEAL-turned-NCIS Special Agent with the Office of Special Projects.
Henrietta Lange Linda Hunt Operations Manager with the Office of Special Projects.
Marty Deeks Eric Christian Olsen A Detective with the Los Angeles Police Department and also the LAPD/NCIS liaison.
Kensi Blye Daniela Ruah NCIS Special Agent with the Office of Special Projects.
Eric Beale Barrett Foa Tech Operator with the Office of Special Projects.
Nell Jones Renée Felice Smith Tech Analyst for the Office of Special Projects.

Recurring Cast

Name Portrayed by Role
Owen Granger Miguel Ferrer NCIS Assistant Director.
Michelle Hanna Aunjanue Ellis AKA "Quinn", she is the wife of NCIS Special Agent Sam Hanna and an agent with the CIA.
Isaak Sidorov Timothy V. Murphy Arms dealer.
Marcel Janvier Christopher Lambert AKA "The Chameleon", he is an arms dealer and identity thief.
Naseem Vaziri Alon Moni Aboutboul

Other Cast

Name Portrayed by Role
Veronica Pisconov Natasha Alam
Bank Manager (Descent) Zylan Brooks
Iranian Guard Fahim Fazli
Mikhail Andros Massi Furlan
Maya Yerzov Kym Jackson
Geology Student Gabriel Luna
Michael Zhrov Pasha D. Lychnikoff
Iranian Prisoner Deep Rai
Rodrigo Tamariz Marco Rodríguez (actor) A Professor.
  v - e - dNCIS: Los Angeles Season 4
Endgame (NCIS: Los Angeles episode)Recruit (episode)The Fifth Man (episode)Dead Body Politic (episode)Out of the Past (episode)Rude Awakenings (episode)Skin Deep (episode)Collateral (episode)The Gold Standard (episode)Free Ride (episode)Drive (episode)Paper Soldiers (episode)The Chosen One (episode)Kill House (episode)History (episode)Lokhay (episode)Wanted (episode)Red Part 1 (episode)Red Part 2 (episode)Purity (episode)Resurrection (episode)Raven and The Swans (episode)Parley (episode)Descent (episode)
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