Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor David McCallum Dr. Donald "Ducky" Mallard Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor Sean Murray NCIS Special Agent Timothy McGee Actor Cote de Pablo NCIS Special Agent Ziva David Actor Rocky Carroll NCIS Director Leon Vance Actor Brian Dietzen Jimmy Palmer Guest Star Liza Lapira NCIS Special Agent Michelle Lee Guest Star Jude Ciccolella Secretary of the Navy Phillip Davenport Guest Star Rich McDonald Navy Lt. Robert Deckard Guest Star Julian Berlin Didi Guest Star Donald P. Bellisario Executive Producer Jesse Stern Writer James Whitmore Jr. Director