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 Jack Conley Metro Detective Danny Sportelli Guest Star Kelly Overton Metro Detective Megan Hanley Guest Star Erin Cahill Navy Lt. Jessica Summers Guest Star Julian Acosta Matt Burns Guest Star H. Richard Greene Thomas Victor Guest Star Clyde Kusatsu Benjamin Franklin Guest Star Kevin Will Will Sutton Guest Star James Shanklin Navy Capt. Martin Armstrong Guest Star Jackie Geary NCIS Special Agent Susan Grady Guest Star Christinna Chauncey Andrea Morton Guest Star Johnny Chavez Driver Guest Star Benjamin Fitch Mechanic Guest Star Cazimir Milostan Officer Guest Star Donald P. Bellisario Executive Producer George Schneck Writer Frank Cardea Writer Thomas J. Wright Director