Special Agent Leroy Jethro Gibbs (Mark Harmon) Title: NCIS Senior Field Special Agent Leroy Jethro Gibbs was a former Marine Sniper Gunnery Sergeant who is now an experienced criminal investigator and a highly skilled interrogator for NCIS. He is a born leader who is willing to bend the rules to get the job done. |  |
Special Agent Anthony (Tony) DiNozzo (Michael Weatherly) Title: NCIS Senior Field Special Agent Anthony (Tony) Dinozzo is a former Baltimore Homicide Detective. He is tough and knows how to work the system although he is always trying to "one up" the more experienced Gibbs to prove his merit as an NCIS agent.
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Abby Sciuto (Pauley Perrette) Title: NCIS Forensic Specialist Abby Sciuto is a crime lab tech who deals with things from chemical and DNA processing, to fingerprint and document analysis. She has a Goth-chick attitude with tattoos. She takes her job as a lab tech seriously. |  |
Special Agent Timothy McGee (Sean Murray) Title: NCIS Special Agent Timothy Mcgee is a naive Special Agent who is a MIT graduate. McGee is an intelligent agent with a specific talent for computers, but awkwardness in social situations. |  |
Liaison Office Ziva David (Cote De Pablo) Title: Mossad Liaison Officer Ziva David works for the Israeli Mossad intelligence agency, and is the daughter of the Director of Mossad. Her charm, intelligence and dry wit take everyone by surprise, especially DiNozzo. |  |
Dr. Donald 'Ducky' Mallard (David McCallum) Title: Cheif Medical Examiner Ducky, a medical examiner with the Naval Criminal Investigative Service relishes everything he does. With a restless, inquisitive mind, he cannot let any problem go unsolved. As a result of constantly dealing with death, he has developed a keen, if somewhat dark sense of humor. A world traveler, he constantly recalls fascinating stories of his journeys. |  |
Director Leon Vance (Rocky Carroll) Title: NCIS Director Leon Vance was introduced first as Assistant Director in Season 5. He is now the new Director since the death of Jenny Shepard. He has a wife, Jackie, and two children, a daughter, Kayla, and son. |  |
