LD50 (episode)

LD50 is the fourteenth episode of NCIS: Los Angeles Season 1.
==Synopsis==
OSP investigate when two career criminals disguised as Marines are found dead and soon uncover information that there will be an auction where the weapon will be sold and be used to launch a bio-terrorist attack.
==Plot==
==Trivia==
*This is the last episode of the entire NCIS: Los Angeles series to have James S. Levine compose the background music as he was later replaced by Jay Ferguson, beginning with the episode, "Chinatown".
==Cast==
===Series Regulars===
Name 	Portrayed by 	Role
G. Callen 	Chris O'Donnell	An NCIS Special Agent in charge of the Office of Special Projects field team and who is partnered with fellow NCIS Special Agent Sam Hanna.
Nate Getz 	Peter Cambor 	Psychologist with the Office of Special Projects.
Kensi Blye 	Daniela Ruah 	An NCIS Special Agent with the Office of Special Projects and who is partnered with NCIS Special Agent Dominic Vail.
Eric Beale 	Barrett Foa 	An NCIS Tech Operator with the Office of Special Projects.
Henrietta Lange	Linda Hunt 	The Operations Manager for the Office of Special Projects.
Sam Hanna 	LL Cool J 	An NCIS Special Agent with the Office of Special Projects and who is partnered with NCIS Special Agent G. Callen.
===Recurring Cast===
Name 	Portrayed by	Role
Dallas (Breach)	J.R. Bourne 	Nightclub owner and head of the local crime syndicate.
===Guest Cast===
Name 	Portrayed by 	Role
Esther Balmore 	Julianna McCarthy 	Former expert on the development of toxins, now suffering from Alzheimer's Disease.
Gage Jenson 	Dameon Clarke 	
Simon Amputuan 	Burt Bulos 	Filipino arms dealer detained by NCIS.
Jacobus Troyger	Andrew Connolly 	An arms dealer, he was responsible for organizing the auction to sell the Clostridium botulinum.
Sadiki Hassan 	Vachik Mangassarian	Egyptian arms dealer.
Blonde Man 	Bru Muller 	
Security Guard 	Nicholas Givanio 	
  v - [ e] - dNCIS: Los Angeles Season 1
♦ Identity (episode) ♦ The Only Easy Day (episode) ♦ Predator (episode) ♦ Search and Destroy (episode) ♦ Killshot (NCIS: Los Angeles episode) ♦ Keepin' It Real (episode) ♦ Pushback (episode) ♦ Ambush (episode) ♦ Random on Purpose (episode) ♦ Brimstone (episode) ♦ Breach (episode) ♦ Past Lives (episode) ♦ Missing (NCIS: Los Angeles episode) ♦ LD50 (episode) ♦ The Bank Job (episode) ♦ Chinatown (episode) ♦ Full Throttle (episode) ♦ Blood Brothers (NCIS: Los Angeles Season 1 Episode) ♦ Hand-to-Hand (episode) ♦ Fame (episode) ♦ Found (episode) ♦ Hunted (episode) ♦ Burned (episode) ♦ Callen, G. (episode)
Category:NCIS: Los Angeles Episodes
Category:NCIS: Los Angeles Season 1 Episodes
Category:NCIS: Los Angeles Episodes written by Speed Weed
Category:NCIS: Los Angeles Episodes written by R. Scott Gemmill
Category:NCIS: Los Angeles Episodes directed by Jonathan Frakes