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 Xolile Tshabalala Sayda Zuri Guest Star Basil Wallace Delphin Abaka Guest Star Jonathan Adams Thomas Zuri Guest Star Stephen Lee Chuck Bayliss Guest Star Anthony Starke Derrick Choyce Guest Star Demetrius Grosse Atif Nukunda Guest Star Matt Riedy Navy Rear Adm. Kenneth Kirkland Guest Star Dierdre Holder Woman Guest Star Donald P. Bellisario Executive Producer Colin Bucksey Director Reed Steiner Writer