NCIS: Los Angeles (2009– )


The team searches for Sam's former partner, Ruiz (Anthony Ruivivar), who disappears while buying a deadly explosive during an undercover operation.


Diana Valentine (as Diana C. Valentine)


Shane Brennan (created by), Erin Broadhurst | 2 more credits »

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Episode cast overview, first billed only:
Chris O'Donnell ... G. Callen
Daniela Ruah ... Kensi Blye
Eric Christian Olsen ... Marty Deeks
Barrett Foa ... Eric Beale
Renée Felice Smith ... Nell Jones
Miguel Ferrer ... Owen Granger
Linda Hunt ... Hetty Lange
LL Cool J ... Sam Hanna
Anthony Ruivivar ... Mark Ruiz
Andrew Tinpo Lee ... Ramon Santos (as Andrew T. Lee)
JB Tadena ... Diego Lacan
Arlene Santana ... Alicia Ruiz
Stacey Hinnen ... Gary Madison
Eugene Shaw ... Isko Lacan
Aiden Lewandowski ... Joey Ruiz


Hetty and Granger inform Sam that his former partner, Mark Ruiz who left NCIS because of a substance abuse problem, who is now working with the ATF, has vanished. He was working on finding a new military explosive that someone is trying to sell. There was a meeting and from surveillance video, they show Sam that there was an explosion and Ruiz may have been the one who set it off. Sam doesn't believe that, but they need to find him and he agrees to do so. He sends Kensi and Deeks to check out where the meeting took place, without telling them why he left NCIS. While he and Callen go to see Ruiz's wife. She says she hasn't heard from him for weeks. She gives them his cell number and they find him. He says he didn't set off the explosion. The seller tried to pull a fast one on the buyer and he made off with the money. He thinks he can convince the guy that he found another buyer. Sam agrees to let him to do it while Callen is not sure he can be trusted. Written by

Plot Summary | Add Synopsis


Action | Crime | Drama


TV-14 | See all certifications »






Release Date:

2 November 2015 (USA) See more »

Filming Locations:

Los Angeles, California, USA See more »

Company Credits

Show more on IMDbPro »

Technical Specs


Sound Mix:

Dolby Digital



Aspect Ratio:

16:9 HD
See full technical specs »

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