Terrence O'HaraDirector
Mark HarmonNCIS Special Agent Leroy Jethro Gibbs
Michael WeatherlyNCIS Special Agent Anthony "Tony" Dinozzo
Pauley PerretteForensic Specialist Abby Sciuto
Sean MurrayNCIS Special Agent Timothy McGee
Brian DietzenDr. Jimmy Palmer
Emily WickershamProbationary NCIS Agent Eleanor "Ellie" Bishop
Rocky CarrollNCIS Director Leon Vance
David McCallumDr. Donald "Ducky" Mallard
Jamie BamberNSA Attorney Jake Malloy
Adam CampbellYoung Donald Mallard
Adam CroasdellYoung Angus Clarke
Andy WalkenYoung Nicholas Mallard
Susan DuerdenLorraine Mallard
George GerdesField Marshal Rand
Kim RobillardDwayne Parker
Jon BeaversSam Butler
Henrietta MeireNurse Cooper
Nicole ButlerCoordinator
Christopher MurrayJoseph Mallard
Sewell WhitneyNicholas Mallard I
David FosterNicholas Mallard II
Tom BillettViggo Trellis
Nikki LeighWoman
Patrick QuinlanLondon Bobby
Ashlynn YennieDaughter