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 Joe Spano Senior FBI Agent T.C. Fornell Guest Star Isabella Hofmann Judge Evelyn Wallace Guest Star Jackie Geary NCIS Special Agent Susan Grady Guest Star Daniel Sauli Gus Templeton Guest Star Steve Talley Bill Guest Star John Wynn Ted Guest Star Andra Fuller Navy Petty Officer Scott Roebuck Guest Star Mark Allen Stewart Stefano Delmar Guest Star Donald P. Bellisario Executive Producer Steven D. Binder Writer Jesse Stern Writer Thomas J. Wright Director