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 Lauren Holly NCIS Director Jenny Shepard Actor David McCallum Dr. Donald "Ducky" Mallard Actor Brian Dietzen Jimmy Palmer Guest Star Liza Lapira Special Agent Michelle Lee Guest Star Scottie Thompson Jeanne Benoit Guest Star J.R. Cacia Metro Police Detective John Carson Guest Star Michael Whaley Detective J.D. Morris Guest Star Dean Chekvala Frank Holtz Guest Star Corri English Lisa Delgado Guest Star Jonno Roberts Scott Pell Guest Star Brady Smith David Cross Guest Star Debbie Campbell Mary Elizabeth Donahue Guest Star Daz Crawford Matt Barrows Guest Star Donald P. Bellisario Executive Producer Dennis Smith Director John C. Kelley Writer