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 Naama Kates Rose Woodhouse Guest Star Patrick J. Adams Tommy Doyle Guest Star Max Gail Sam Loomis Guest Star Kristen Bush Marine Sgt. Alice Hardy Guest Star Tim Rettley Cpl. Jack Burell Guest Star Brian Groh Billy Cole Guest Star Charles Noland Bob Simms Guest Star Mike Kersey Harry Cooper Guest Star Donald P. Bellisario Executive Producer Arvin Brown Director Steven D. Binder Writer