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 Karan Oberoi Benham Parsa Guest Star Nestor Serrano NSA Supervisor Jeremy Marlens Guest Star Shishir Kurup Khalil Farooq Guest Star Aaron Hill Navy SEAL Lt. William Blake Guest Star John Allen Nelson JSOC Vice Adm. Lloyd Manditsky Guest Star Rob Evors Navy Hull Technician Chief David Harketti Guest Star Adrian Gonzalez Watchstander Guest Star Gary Glasberg Executive Producer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Shane Brennan Executive Producer Donald P. Bellisario Executive Producer Jennifer Corbett Writer Dennis Smith Director