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 Paul Greene Renny Grant Guest Star Scott Connors Marine Sgt. Mitch Wilkins Guest Star April Parker Jones Elaine Davis Guest Star Emily Baldoni Desk Clerk Guest Star Paul Terrell Clayton Navy Cmdr. Carl Davis Guest Star Matt Crabtree Curt Carver Guest Star Ana Maria Lagasca Maid Guest Star Jonathan Nail Businessman Guest Star Donald P. Bellisario Executive Producer Arvin Brown Director David J. North Writer Steven D. Binder Writer