NCIS: Los Angeles follows Special Agents Sam Hanna ( LL Cool J) and G. On April 23, 2021, CBS renewed the series for a thirteenth season which premiered on October 10, 2021. On May 6, 2020, CBS renewed the series for a twelfth season, which premiered on November 8, 2020. The show has received mixed reviews from critics, but has been a solid rating hit for CBS. Other stars have included Eric Christian Olsen, Renée Felice Smith, Miguel Ferrer, Nia Long, Medalion Rahimi, Caleb Castille, and Gerald McRaney. Cambor and Craig's characters were demoted to recurring status and Craig was killed off, while Foa was written out at the end of season 12 and beginning of season 13. The series originally starred Chris O'Donnell, Daniela Ruah, LL Cool J, Peter Cambor, Adam Jamal Craig, Linda Hunt and Barrett Foa. NCIS: Los Angeles is the first spin-off of the successful series NCIS and the second series in the NCIS franchise. The series follows the exploits of the Los Angeles–based Office of Special Projects (OSP), an elite division of the Naval Criminal Investigative Service that specializes in undercover assignments. NCIS: Los Angeles is an American action television series combining elements of the military drama and police procedural genres, which premiered on CBS on September 22, 2009.