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 Brian Dietzen Dr. Jimmy Palmer Actor Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Colin Hanks Richard Parsons Guest Star Muse Watson Mike Franks Guest Star John M. Jackson Albert Jethro "AJ" Chegwidden Guest Star Allan Louis Capt. Wayne Guest Star Natalia Nogulich Judge Maddox Guest Star Nicole DuPort Emily McBride Guest Star Alan Dale Tom Morrow Guest Star Donald P. Bellisario Executive Producer Gary Glasberg Writer Tony Wharmby Director