Special Guest Stars Peter Cambor as Operational Psychologist Nate Getz Guest Stars Bar Paly as Anastasia "Anna" Kolcheck Milissa Sears as Leah Novak Ashwin Gore as ONI Inspector General Akhil Ali Jere Burns as Howard Pembrook Layla Alizada as Dr. Roxana Jarrahi Co Starring Duncan Campbell as NCIS Special Agent Castor Beckett Gunderson as Young Callen Andrei Dolezal as Instructor / Young Baines