NCIS: Los Angeles - Season 4 (2012) (season)
Creators:
Shane BrennanDirected by:
Eric LaneuvilleScreenplay:
Joe SachsComposer:
Jay FergusonCast:
Chris O'Donnell, Daniela Ruah, Eric Christian Olsen, Barrett Foa, Renée Felice Smith, Linda Hunt, LL Cool J, Tom Gallop, Chris Bruno, Jay Ellis, Rance Howard, Mark D. Espinoza, Steven W. Bailey (more)VOD (2)
Plots(1)
When cyanide in a communal water jug lethally poisons a lieutenant and leaves a Navy pilot in serious condition, the NCIS: LA team investigates whether this is an isolated incident or an early test for large-scale water contamination. (Prime Video)
Cast
![Chris O'Donnell](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/039/166039616_93c849.jpg)
Chris O'Donnell
USA
Best series:
Robot Chicken (2005) (series)
The Company (2007) (series)
Grey's Anatomy (2005) (series)
![Daniela Ruah](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/039/166039547_f58d33.jpg)
Daniela Ruah
USA
Best series:
NCIS: Naval Criminal Investigative Service (2003) (series)
Hawaii Five-0 (2010) (series)
NCIS: Los Angeles (2009) (series)
![Eric Christian Olsen](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/039/166039654_e6458b.jpg)
Eric Christian Olsen
USA
Best series:
Community (2009) (series)
Robot Chicken (2005) (series)
Star vs. The Forces of Evil (2015) (series)
![Barrett Foa](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/039/166039575_89759c.jpg)
Barrett Foa
USA
Best series:
Entourage (2004) (series)
NCIS: Naval Criminal Investigative Service (2003) (series)
Six Degrees (2006) (series)
![Renée Felice Smith](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/654/160654737_036389.jpg)
Renée Felice Smith
USA
Best series:
It's Always Sunny in Philadelphia (2005) (series)
NCIS: Los Angeles (2009) (series)
![Linda Hunt](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/039/166039709_1d344d.jpg)
Linda Hunt
USA
Best series:
Carnivàle (2003) (series)
The Practice (1997) (series)
Without a Trace (2002) (series)
![LL Cool J](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/654/160654708_63cb23.jpg)
LL Cool J
USA
Best series:
House M.D. (2004) (series)
Oz (1997) (series)
30 Rock (2006) (series)
Tom Gallop
Best series:
Suits (2011) (series)
High Incident (1996) (series)
American Horror Story (2011) (series)
![Chris Bruno](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/280/280260_615480.jpg)
Chris Bruno
USA
Best series:
Prison Break (2005) (series)
The Fosters (2013) (series)
Castle (2009) (series)
![Jay Ellis](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/873/162873140_71ad56.jpg)
Jay Ellis
USA
Best series:
How I Met Your Mother (2005) (series)
Mrs. America (2020) (series)
Grace and Frankie (2015) (series)
![Rance Howard](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/030/247/30247473_d9e9ca.jpg)
Rance Howard
USA
Best series:
The X-Files (1993) (series)
Quantum Leap (1989) (series)
Arrested Development (2003) (series)
Mark D. Espinoza
USA
Best series:
House M.D. (2004) (series)
American Horror Story (2011) (series)
Moonlight (2007) (series)
![Steven W. Bailey](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/159/031/159031467_ae206d.jpg)
Steven W. Bailey
USA
Best series:
Shameless (2011) (series)
Community (2009) (series)
Modern Family (2009) (series)
![Travis Aaron Wade](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/000/160000206_a7b8b6.jpg)
Travis Aaron Wade
USA
Best series:
Supernatural (2005) (series)
Cold Case (2003) (series)
Touch (2012) (series)
![Owen Teague](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/716/162716503_49ee39.jpg)
Owen Teague
USA
Best series:
Black Mirror (2011) (series)
CollegeHumor Originals (2006) (series)
Bones (2005) (series)
![Lily Mariye](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/279/279193_1df36b.jpg)
Lily Mariye
USA
Best series:
Shameless (2011) (series)
Teen Wolf (2011) (series) - actor, a.f.
One Mississippi (2015) (series)
Omar Elba
Best series:
Mo (2022) (series)
Intelligence (2014) (series)
Limetown (2019) (series)