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 Jamie Lee Curtis Dr. Samantha Ryan Guest Star Matt L. Jones NCIS Probationary Agent Ned Dorneget Guest Star Richard Schiff Harper Dearing Guest Star Rick Peters Vincent Maple Guest Star Jason Gray-Stanford Dr. Jay Berman Guest Star Dimiter D. Marinov Ghenna Kozlov Guest Star Loren Lester Dr. Edgar Cromwell Guest Star Dylan Kenn Freddie Fountain Guest Star Donald P. Bellisario Executive Producer Steven D. Binder Writer James Whitmore Jr. Director