Betrayal is the ninth episode of NCIS: Los Angeles Season 3 as well as the 57th episode of the entire NCIS: Los Angeles series.
When Sam's undercover mission in Sudan apparently ends in tragedy with a body matching Sam's description arriving at the local morgue, Callen heads off to Africa to uncover the truth while back in Los Angeles, the rest of the OSP team search for clues and soon discover that there might be a mole within the CIA.
- Tahir Khaled and Jada Khaled are both introduced for the first time.
- Sam's full name is revealed to be Osama Hanna.
|G. Callen||Chris O'Donnell||NCIS Special Agent and the leader of the Office of Special Projects field team.|
|Kensi Blye||Daniela Ruah||NCIS Special Agent with the Office of Special Projects.|
|Marty Deeks||Eric Christian Olsen||A Detective with the Los Angeles Police Department and also the LAPD/NCIS liaison.|
|Eric Beale||Barrett Foa||Tech Operator with the Office of Special Projects.|
|Nell Jones||Renée Felice Smith||Tech Analyst for the Office of Special Projects.|
|Henrietta Lange||Linda Hunt||Operations Manager with the Office of Special Projects.|
|Sam Hanna||LL Cool J||A former Navy SEAL-turned-NCIS Special Agent with the Office of Special Projects.|
|Jada Khaled||Ella Thomas||Tahir Khaled's sister.|
|Tahir Khaled||Anslem Richardson||Jada Khaled's brother.|
|Alex Elmslie||Douglas Weston|
|Colin Rand||Jack Stehlin||CIA Operations Officer.|
|Female Assistant||Kelly E. Smith|
|Boy (Betrayal)||Herbie Jackson|
|Sudanese Soldier||Garland Whitt|
|Michelle Hanna||Indira G. Wilson||Sam Hanna's wife. Uncredited role.|
|Kadeen||Wiley B. Oscar|
|Bodyguard 1||Emeka Amene||Uncredited role.|
|Bodyguard 2||LaMont Hendrix||Uncredited role.|
|Bodyguard 3||Robert Powell||Uncredited role.|
|Sudan Police Officer||Sexton Newby||Uncredited role.|
|NCIS: Los Angeles Season 3|
|Lange, H. (episode) ♦ Cyber Threat (episode) ♦ Backstopped (episode) ♦ Deadline (episode) ♦ Sacrifice (episode) ♦ Lone Wolf (episode) ♦ Honor (episode) ♦ Greed (episode) ♦ Betrayal (episode) ♦ The Debt (episode) ♦ Higher Power (episode) ♦ The Watchers (episode) ♦ Exit Strategy (episode) ♦ Partners (episode) ♦ Crimeleon (episode) ♦ Blye, K. (episode) ♦ Blye, K., Part 2 (episode) ♦ The Dragon and the Fairy (episode) ♦ Vengeance (episode) ♦ Patriot Acts (episode) ♦ Pa Make Loa (episode) (crossover episode with Hawaii Five-0 Season 2) ♦ Touch of Death (episode) ♦ Neighborhood Watch (episode) ♦ Sans Voir Part 1 (episode) ♦ Sans Voir Part 2 (episode)|