Yellow Jack (episode)

Yellow Jack is the 4th episode of NCIS: Los Angeles Season 11 and also the 244th episode of the entire NCIS: Los Angeles series.
==Synopsis==
While Callen and Sam are aboard the USS Allegiance, the ship is placed under quarantine for possible Ebola exposure. As that happens, Kensi and Deeks investigate the murder of a petty officer who recently departed the USS Allegiance and is linked to the Ebola exposure.
==Plot==
==Major Events==
*Ehsan Navid returns and it's revealed that he has become an NCIS Special Agent, having recently been assigned as the Agent Afloat on the U.S.S. Allegiance with Ehan also now married with three children, remaining in contact with the members of the OSP team.
*It's revealed that Hetty and Harm are both currently in Washington, DC.
==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.
Kensi Blye 	Daniela Ruah 	NCIS Special Agent 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.
Eric Beale 	Barrett Foa 	Tech Operator with the Office of Special Projects. Despite being credited, Foa does not appear in this episode.
Nell Jones 	Renée Felice Smith 	Tech Analyst for the Office of Special Projects.
Henrietta Lange	Linda Hunt 	Operations Manager with the Office of Special Projects. Despite being credited, Hunt does not appear in this episode.
Sam Hanna 	LL Cool J 	A former Navy SEAL-turned-NCIS Special Agent with the Office of Special Projects.
===Recurring Cast===
Name 	Portrayed by 	Role
Steven Douglas	Gil Birmingham 	Navy Captain, Commanding Officer of the U.S.S. Allegiance.
Fatima Namazi 	Medalion Rahimi	NCIS Special Agent.
Ehsan Navid 	Wesam Keesh 	NCIS Agent Afloat.
Karen Quinn 	Nadine Ellis 	Lieutenant Commander in the United States Navy serving aboard the U.S.S. Allegiance.
===Guest Cast===
Name 	Portrayed by 	Role
Sandra Kaufmann 	Lesley Fera 	Colonel, United States Army attached to USAMRIID or the United States Army Medical Research Institute of Infectious Diseases.
Sajida al-Eryani 	Kimberley Drummond	AKA "Jenny".
Jenny's Boyfriend	Siaka Massaquoi 	
Stephen Lamb 	Brett Davern 	Petty Officer in the United States Navy.
Leslie Grant 	A Leslie Kies 	Lieutenant Junior Grade in the United States Navy and the main murder victim.
  v - [ e] - dNCIS: Los Angeles Season 11
♦ Let Fate Decide (episode) ♦ Decoy (episode) ♦ Hail Mary (episode) ♦ Yellow Jack (episode) ♦ Provenance (episode) ♦ A Bloody Brilliant Plan (episode) ♦ Concours D'Elegance (episode) ♦ Human Resources (episode) ♦ Kill Beale: Vol. 1 (episode) ♦ Mother (episode) ♦ Answers (episode) ♦ Groundwork (episode) ♦ High Society (episode) ♦ Commitment Issues (episode) ♦ The Circle (episode) ♦ Alsiyadun (episode) ♦ Watch Over Me (NCIS: Los Angeles episode) ♦ Missing Time (episode) ♦ Fortune Favors the Brave (episode) ♦ Knock Down (episode) ♦ Murder of Crows (episode) ♦ Code of Conduct (NCIS: Los Angeles episode)
Category:NCIS: Los Angeles Episodes
Category:NCIS: Los Angeles Season 11 Episodes
Category:NCIS: Los Angeles Episodes written by Andrew Bartels
Category:NCIS: Los Angeles Episodes directed by Terrence O'Hara