Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor, Executive Producer 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 DOD Inspector Parsons Guest Star Joe Spano Senior FBI Agent T.C. Fornell Guest Star Alan Dale Homeland Senior Division Chief Tom Morrow Guest Star Allan Louis Navy Capt. Dominick Wayne Guest Star Damon Dayoub Adam Eshel Guest Star Costas Mandylor Tomas Mendez Guest Star Margo Harshman Delilah Fielding Guest Star Ivan Shaw Victor Cheng Guest Star Jared Farid Ward JSOC Operative Lt. Eric Kagen Guest Star Will Harris Murray Hines Guest Star Matt Craven Secretary of the Navy Clayton Jarvis Guest Star Gabi Coccio Young Ziva David Guest Star Ben Morrison Young Eli David Guest Star Gary Glasberg Executive Producer, Writer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Shane Brennan Executive Producer Donald P. Bellisario Executive Producer Tony Wharmby Director