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 Daniel Hugh Kelly Adm. Kendall Guest Star Meg Chambers Steedle Amanda Kendall Guest Star Maite Schwartz Inspector Isabel Chablis Guest Star Abhi Sinha Khan Guest Star Senta Moses Katherine Atwood Guest Star Medalion Rahimi Lila Guest Star Margarita Kallas Natasha Dunchenko 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 Silber Writer Steven D. Binder Writer James Whitmore Jr. Director