Guest Stars Naomi Grace as Kayla Vance Pej Vahdat as Nigel Hakim Chad Lindberg as Joey Peanuts Alexa Hamilton as British Deputy Ambassador Sybil Rigg Keon Alexander as CIA Special Agent Nazy Rickman Jim Meskimen as Doctor Farrel Emerson Rob Mainord as Myron Holt Robin Karfo as Zaiyema James A. Watson, Jr. as Navy Vice Admiral Richard Hasley Lauran September as Emma Thatcher Co Starring Jessica Gardner as Olivia Kahn Danielle Rayne as Marine Colonel Leah Siffler Cory Jacob as NCIS Special Agent Rod Beecham