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 Michael Dietzen Jimmy Palmer Guest Star Barbara Niven Dr. Elaine Burns Guest Star Robert Blanche Brett Willis Guest Star Larry Clarke Director Guest Star John Berg Gen. Grant Guest Star Burnadean Jones Sally Smith Guest Star Byrne Offutt Judd Kearns Guest Star Jason Grutter Cameraman Guest Star Brian Dietzen Jimmy Palmer Guest Star Donald P. Bellisario Executive Producer Terrence O'Hara Director John C. Kelley Writer Joshua Lurie Writer Laurence Walsh Writer Christopher Silber Writer