'NCIS: LA' preview: Eric Christian Olsen and boss tease big 'reveal' in two-part episode 'NCIS: LA' boss on the season finale and the explosion that could spell disaster for the team -- EXCLUSIVE ...

NCIS: Los Angeles alum LL Cool J is returning to the NCIS universe with a guest spot on the mothership series this season. CBS and LL Cool J revealed today that the actor will reprise his Sam ...

before the launch of “NCIS: Los Angeles” later that year. “Los Angeles” was the franchise’s first spinoff, and LL Cool J starred in all 14 seasons before the series concluded in 2023.