<Table> <Tr> <Th> Character </Th> <Th colspan="15"> Seasons </Th> </Tr> <Tr> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> 5 </Th> <Th> 6 </Th> <Th> 7 </Th> <Th> 8 </Th> <Th> 9 </Th> <Th> 10 </Th> <Th> 11 </Th> <Th> 12 </Th> <Th> 13 </Th> <Th> 14 </Th> <Th> 15 </Th> </Tr> <Tr> <Th colspan="16"> <H3> Main cast ( edit ) </H3> </Th> </Tr> <Tr> <Th> Leroy Jethro Gibbs </Th> <Td colspan="15"> Mark Harmon </Td> </Tr> <Tr> <Th> Caitlin Todd </Th> <Td colspan="2"> Sasha Alexander </Td> <Td> Sasha Alexander </Td> <Td colspan="4"> </Td> <Td colspan="2"> Sasha Alexander </Td> <Td colspan="2"> </Td> <Td> Sasha Alexander </Td> <Td colspan="3"> </Td> </Tr> <Tr> <Th> Anthony DiNozzo </Th> <Td colspan="13"> Michael Weatherly </Td> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Abby Sciuto </Th> <Td colspan="15"> Pauley Perrette </Td> </Tr> <Tr> <Th> Donald `` Ducky '' Mallard </Th> <Td colspan="15"> David McCallum </Td> </Tr> <Tr> <Th> Timothy McGee </Th> <Td> Sean Murray </Td> <Td colspan="14"> Sean Murray </Td> </Tr> <Tr> <Th> Ziva David </Th> <Td colspan="2"> </Td> <Td colspan="9"> Cote de Pablo </Td> <Td colspan="4"> </Td> </Tr> <Tr> <Th> Jenny Shepard </Th> <Td colspan="2"> </Td> <Td colspan="3"> Lauren Holly </Td> <Td colspan="3"> </Td> <Td> Lauren Holly </Td> <Td colspan="2"> </Td> <Td> Lauren Holly </Td> <Td colspan="3"> </Td> </Tr> <Tr> <Th> Leon Vance </Th> <Td colspan="4"> </Td> <Td> Rocky Carroll </Td> <Td colspan="10"> Rocky Carroll </Td> </Tr> <Tr> <Th> Jimmy Palmer </Th> <Td colspan="9"> Brian Dietzen </Td> <Td colspan="6"> Brian Dietzen </Td> </Tr> <Tr> <Th> Ellie Bishop </Th> <Td colspan="10"> </Td> <Td colspan="5"> Emily Wickersham </Td> </Tr> <Tr> <Th> Nick Torres </Th> <Td colspan="13"> </Td> <Td colspan="2"> Wilmer Valderrama </Td> </Tr> <Tr> <Th> Alex Quinn </Th> <Td colspan="13"> </Td> <Td colspan="1"> Jennifer Esposito </Td> <Td colspan="1"> </Td> </Tr> <Tr> <Th> Clayton Reeves </Th> <Td colspan="12"> </Td> <Td colspan="1"> Duane Henry </Td> <Td colspan="2"> Duane Henry </Td> </Tr> <Tr> <Th> Jackie Sloane </Th> <Td colspan="14"> </Td> <Td colspan="1"> Maria Bello </Td> </Tr> <Tr> <Th colspan="16"> <H3> Family ( edit ) </H3> </Th> </Tr> <Tr> <Th> Victoria Mallard </Th> <Td> </Td> <Td colspan="2"> Nina Foch </Td> <Td colspan="10"> </Td> <Td colspan="1"> Caroline Lagerfelt </Td> <Td colspan="1"> </Td> </Tr> <Tr> <Th> Sarah McGee </Th> <Td> </Td> <Td> Troian Bellisario </Td> <Td> </Td> <Td> Troian Bellisario </Td> <Td colspan="11"> </Td> </Tr> <Tr> <Th> Kelly Gibbs </Th> <Td colspan="2"> </Td> <Td colspan="2"> Mary Mouser </Td> <Td> Brenna Radding </Td> <Td colspan="3"> </Td> <Td> Sam Schuder </Td> <Td colspan="3"> </Td> <Td> Mila Brener </Td> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Shannon Gibbs </Th> <Td colspan="2"> </Td> <Td> Darby Stanchfield </Td> <Td> </Td> <Td> Darby Stanchfield </Td> <Td> Aviva ( young ) </Td> <Td> Aviva ( young ) Darby Stanchfield </Td> <Td> </Td> <Td> Darby Stanchfield </Td> <Td colspan="6"> </Td> </Tr> <Tr> <Th> Eli David </Th> <Td colspan="5"> </Td> <Td colspan="3"> Michael Nouri </Td> <Td> </Td> <Td colspan="1"> Michael Nouri Ben Morrison ( young ) </Td> <Td colspan="5"> </Td> </Tr> <Tr> <Th> Jackson Gibbs </Th> <Td colspan="5"> </Td> <Td colspan="5"> Ralph Waite </Td> <Td colspan="1"> Ralph Waite Rob Notron ( ypung ) </Td> <Td colspan="4"> </Td> </Tr> <Tr> <Th> Jackie Vance </Th> <Td colspan="5"> </Td> <Td colspan="2"> Paula Newsome </Td> <Td> </Td> <Td colspan="2"> Paula Newsome </Td> <Td colspan="5"> </Td> </Tr> <Tr> <Th> Jared Vance </Th> <Td colspan="5"> </Td> <Td> Khamani Griffin </Td> <Td colspan="2"> </Td> <Td colspan="3"> Akinsola Aribo </Td> <Td colspan="4"> </Td> </Tr> <Tr> <Th> Kayla Vance </Th> <Td colspan="5"> </Td> <Td> China Anne McClain </Td> <Td colspan="2"> </Td> <Td colspan="4"> Kiara Muhammad </Td> <Td colspan="2"> </Td> <Td colspan="1"> Naomi Grace </Td> </Tr> <Tr> <Th> Anthony DiNozzo Sr . </Th> <Td colspan="6"> </Td> <Td colspan="9"> Robert Wagner </Td> </Tr> <Tr> <Th> Breena Slater </Th> <Td colspan="6"> </Td> <Td> Michelle Pierce </Td> <Td> </Td> <Td> Michelle Pierce </Td> <Td> </Td> <Td colspan="2"> Michelle Pierce </Td> <Td colspan="3"> </Td> </Tr> <Tr> <Th> Rachel Cranston </Th> <Td colspan="7"> </Td> <Td colspan="2"> Wendy Makkena </Td> <Td> </Td> <Td> Wendy Makkena </Td> <Td colspan="4"> </Td> </Tr> <Tr> <Th> Kyle Davis </Th> <Td colspan="8"> </Td> <Td colspan="2"> Daniel Louis Rivas </Td> <Td colspan="5"> </Td> </Tr> <Tr> <Th> Diane Sterling </Th> <Td colspan="3"> </Td> <Td colspan="1"> Heather Scobie </Td> <Td colspan="4"> </Td> <Td colspan="4"> Melinda McGraw </Td> <Td colspan="3"> </Td> </Tr> <Tr> <Th> Jake Malloy </Th> <Td colspan="11"> </Td> <Td colspan="2"> Jamie Bamber </Td> <Td colspan="2"> </Td> </Tr> <Tr> <Th colspan="16"> <H3> NCIS and Navy employees ( edit ) </H3> </Th> </Tr> <Tr> <Th> Tom Morrow </Th> <Td colspan="3"> Alan Dale </Td> <Td colspan="6"> </Td> <Td colspan="4"> Alan Dale </Td> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Gerald Jackson </Th> <Td> Pancho Demmings </Td> <Td> </Td> <Td> Pancho Demmings </Td> <Td colspan="12"> </Td> </Tr> <Tr> <Th> Bud Roberts </Th> <Td colspan="1"> Patrick Labyorteaux </Td> <Td colspan="12"> </Td> <Td colspan="2"> Patrick Labyorteaux </Td> </Tr> <Tr> <Th> Stan Burley </Th> <Td>
who is left from the original cast of ncis
Mark Harmon Michael Weatherly Pauley Perrette David McCallum Sean Murray