<Tr> <Td_colspan="2"> ← Previous Season 8 </Td> </Tr> <Tr> <Td_colspan="2"> List of NCIS: Los Angeles episodes </Td> </Tr> <P> The ninth season of NCIS: Los Angeles premiered on October 1, 2017 on CBS for the 2017--18 television season . The season is due to contain 24 episodes . </P> <Ul> <Li> Chris O'Donnell as Grisha "G ." Callen, Special Agent in Charge (SAC) of Special Projects </Li> <Li> Daniela Ruah as Kensi Blye, Special Agent </Li> <Li> Eric Christian Olsen as Marty Deeks, LAPD Liaison Detective </Li> <Li> Barrett Foa as Eric Beale, Technical Operator </Li> <Li> Renee Felice Smith as Nell Jones, Special Agent, Intelligence Analyst </Li> <Li> Nia Long as Shay Mosley, NCIS Executive Assistant Director for Pacific Operations (EADPAC) </Li> <Li> Linda Hunt as Henrietta Lange, Supervisory Special Agent (SSA), Operations Manager for Special Projects </Li> <Li> LL Cool J as Sam Hanna, Senior Special Agent </Li> </Ul>

When does series 9 of ncis los angeles start