Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor, Director 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 Sarah Jane Morris NCIS Special Agent Erica Jane "EJ" Barrett Guest Star JoBeth Williams Leona Phelps Guest Star Enrique Castillo Ruleo Medilla Guest Star K. Callen Grace Mullen Guest Star Scott Lowell Terry Thomas Guest Star Leonard Earl Howze Security Guard Wilson Guest Star Jimmy "Jax" Pinchak Jason Guest Star Julie Wittner Female Inmate Guest Star Chuck Ashworth Corvette Guy Guest Star Zoey Deutch Lauren Guest Star Donald P. Bellisario Executive Producer Jesse Stern Writer