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SERIES REGULARS: 
NCIS Special Agent G. Callen ... Chris O’Donnell 
NCIS Special Agent Sam Hanna ... LL COOL J 
Henrietta "Hetty” Lange ... Linda Hunt 
NCIS Special Agent Kensi Blye … Daniela Ruah 

LAPD Detective Marty Deeks ... Eric Christian Olsen 
Tech Operator Eric Beale ... Barrett Foa 
NCIS Intelligence Analyst Nell Jones ... Renée Felice Smith 

RECURRING CAST: 
Lauren Hunter ... Claire Forlani 

GUEST CAST: 
Heather Marcum ... Heidi Marnhout 
Shawn Calder ... Nathan Gamble 
Patricia Michaels ... Anne Son 
Elizabeth Smith ... Bridget Regan 
Dennis Calder … Jordan Belfi 
Nicholas Delamico ... Bradley James 
Salesperson … Stephan Smith Collins 
Receptionist ... Elizabeth Bond 
Assistant ... Amy Rasimas 

WRITTEN BY: R. Scott Gemmill 

DIRECTED BY: Dennis Smith 

NCIS PARTNERS WITH THE NATIONAL SECURITY AGENGY (NSA) WHEN THE KIDNAPPING OF A SOFTWARE GENIUS THREATENS NATIONAL SECURITY, ON "NCIS: LOS ANGELES," TUESDAY, SEPT. 27

"Cyber Threat" — The NCIS team joins forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Meanwhile, Callen continues searching for more information about his past, on NCIS: LOS ANGELES, Tuesday, Sept. 27 (9:00-10:00 PM, ET/PT) on the CBS Television Network.