SAM IS SHOT DURING A FIREFIGHT WITH A CARTEL AND A SUSPECT REVEALS NEW INFORMATION ABOUT MOSLEY'S SON, PROMPTING A DARING RESCUE MISSION IN MEXICO, ON BACK-TO-BACK EPISODES OF THE NINTH SEASON FINALE OF "NCIS: LOS ANGELES," SUNDAY, MAY 20

Lamont Thompson Guest Stars as Spencer Williams

"A Line in the Sand" and "Ninguna Salida" - Sam is shot during a firefight with a cartel, and a suspect reveals new information on the whereabouts of Spencer Williams (Lamont Thompson)
, the man who kidnapped Mosley's son five years ago. Despite several team members having grave reservations, NCIS travels to Mexico for a daring mission to locate and rescue Mosley's son, on back-to-back episodes of the ninth season finale of NCIS: LOS ANGELES, Sunday, May 20 (8:00-10:00 PM, ET/PT) on the CBS Television Network.

REGULAR CAST:

Chris O'Donnell (Special Agent G. Callen)
LL COOL J (Special Agent Sam Hanna)
Linda Hunt (Henrietta "Hetty" Lange)
Daniela Ruah (Special Agent Kensi Blye)
Eric Christian Olsen (LAPD Detective Marty Deeks)
Barrett Foa (Tech Operator Eric Beale)
Renée Felice Smith (Intelligence Analyst Nell Jones)
Nia Long (Executive Assistant Director Shay Mosley)

"A LINE IN THE SAND" CREDITS:

RECURRING GUEST CAST: Andrea Bordeaux (NCIS Special Agent Harley Hidoko)

GUEST CAST:

Neal Kodinsky (Miguel Angel Reyes)
Greg Serano (FBI Special Agent Roger Gonzalez)
D. Elliot Woods (NCIS Agent)
Lamont Thompson (Spencer Williams)
Ariel Llinas (General Arturo Vasquez)

WRITTEN BY: Frank Military

DIRECTED BY: Frank Military

"NINGUNA SALIDA" CREDITS:

GUEST CAST: Max Martini (Arlo Turk)
Lamont Thompson (Spencer Williams)
Ariel Llinas (General Arturo Vasquez)
Lyduan Gonzalez (Security Captain)
Rick Mancia (Paco)
Joseph A. Garcia (Ignacio)
Jalyn Hall (Derrick)
Marisol Ramirez (Juana)
Rafael Martinez (Marco)

WRITTEN BY: Joe Sachs & R. Scott Gemmill

DIRECTED BY: John P. Kousakis