Longtime series regulars Nell Jones (Renée Felice Smith) and Eric Beale (Barrett Foa) departed at the end of Season 12 to pursue a new life in Japan.
Hetty Lange (Linda Hunt) appeared only in the premiere episode, "Subject 17," before departing for a classified mission. Major Narrative Arcs NCIS: Los Angeles - Season 13
NCIS: Los Angeles - Season 13 Report Season 13 of premiered on October 10, 2021, and concluded on May 22, 2022, spanning 22 episodes. This season was marked by major cast shifts, deep dives into character backstories, and the exploration of modern technological threats like deepfakes and AI. Core Team & Cast Changes Longtime series regulars Nell Jones (Renée Felice Smith)