Guest Stars Vyto Ruginis as Arkady Kolcheck Matty Cardarople as Danny Kathleen Garrett as Miraslava Borisova Jonathan Kells Phillips as Rupert Richardson Dalia Rooni as Riffat Murad Co Starring Duncan Campbell as NCIS Special Agent Castor Nikolay Moss as Kostas Orlov Emily Morales-Cabrera as Assistant