Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor, Executive Producer Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor Sean Murray NCIS Special Agent Timothy McGee Actor Brian Dietzen Dr. Jimmy Palmer Actor Emily Wickersham Probationary NCIS Agent Eleanor "Ellie" Bishop Actor Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Leslie Hope Secretary of the Navy Sarah Porter Guest Star Lev Gorn Russian Counselor Anton Pavlenko Guest Star Stephanie Jacobsen FBI Agent Leia Pendergast Guest Star Victoria Barabas Nelly Benin Guest Star Michael Ensign Dr. Ishmael Havana Guest Star Corey Mendell Parker Metro Police Officer Bilik Guest Star Zoran Korach Metro Police Officer Verma Guest Star Mette Holt Renata Atal Guest Star Tamara Belous Sofia Glazman Guest Star Gary Glasberg Executive Producer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Shane Brennan Executive Producer Donald P. Bellisario Executive Producer Christopher J. Waild Writer Terrence O'Hara Director