Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor Cote de Pablo NCIS Special Agent Ziva David Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor Sean Murray NCIS Special Agent Timothy McGee Actor Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Brian Dietzen Jimmy Palmer Guest Star Christina Cox Marine Gunnery Sgt. Georgia Wooten Guest Star Thomas Calabro Len Feeney Guest Star Olivia Taylor Dudley Jancey Gilroy Guest Star Aaron D. Spears Marine Maj. Michael Strickland Guest Star Tiya Sircar Lauren Donnelly Guest Star Matthew Florida Kyle Severin Guest Star Aramis Knight Nick Miller Guest Star Aidan Sussman Jacob Wooten Guest Star Donald P. Bellisario Executive Producer Craig Ross Jr. Director Nicole Mirante-Matthews Writer