Unexpected Visitors Arrive On NCIS: Los Angeles

Eric Christian Olsen as LAPD Liaison Marty Deeks and LL COOL J as Special Agent Sam Hanna.

Eric Christian Olsen as LAPD Liaison Marty Deeks and LL COOL J as Special Agent Sam Hanna.

In "Citadel" (Season 7, Episode 2), DEA agent Talia Del Campo returns after her partner is murdered, forcing her to turn to the NCIS: Los Angeles team for help. Meanwhile, after Kensi grows suspicious that Deeks is hiding something, he surprises her and introduces her to his mom.
Chris O'Donnell as Special Agent G. Callen.

Chris O'Donnell as Special Agent G. Callen.

"Citadel" (Season 7, Episode 2)
Daniela Ruah as Special Agent Kensi Blye, Eric Christian Olsen as LAPD Liaison Marty Deeks, and LL COOL J as Special Agent Sam Hanna.

Daniela Ruah as Special Agent Kensi Blye, Eric Christian Olsen as LAPD Liaison Marty Deeks, and LL COOL J as Special Agent Sam Hanna.

"Citadel" (Season 7, Episode 2)
Mercedes Mason as DEA Agent Talia Del Campo, Eric Christian Olsen as LAPD Liaison Marty Deeks, Daniela Ruah as Special Agent Kensi Blye, and Chris O'Donnell as Special Agent G. Callen.

Mercedes Mason as DEA Agent Talia Del Campo, Eric Christian Olsen as LAPD Liaison Marty Deeks, Daniela Ruah as Special Agent Kensi Blye, and Chris O'Donnell as Special Agent G. Callen.

"Citadel" (Season 7, Episode 2)
Eric Christian Olsen as LAPD Liaison Marty Deeks, Mercedes Mason as DEA agent Talia Del Campo, Daniela Ruah as Special Agent Kensi Blye, and Erin Krakow as Emily Moore.

Eric Christian Olsen as LAPD Liaison Marty Deeks, Mercedes Mason as DEA agent Talia Del Campo, Daniela Ruah as Special Agent Kensi Blye, and Erin Krakow as Emily Moore.

"Citadel" (Season 7, Episode 2)
Chris O'Donnell as Special Agent G. Callen and Eric Christian Olsen as LAPD Liaison Marty Deeks.

Chris O'Donnell as Special Agent G. Callen and Eric Christian Olsen as LAPD Liaison Marty Deeks.

"Citadel" (Season 7, Episode 2)
Linda Hunt as Henrietta

Linda Hunt as Henrietta "Hetty" Lange.

"Citadel" (Season 7, Episode 2)