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 Joe Spano Senior FBI Agent T.C. Fornell Guest Star Christina Chang NCIS Special Agent Valeri Page Guest Star Bruce Thomas Richard Porter Guest Star Caitlin Carver Megan Porter Guest Star Jake Borelli Dean Campbell Guest Star René Ashton Justine Wolfe Guest Star Brendan McCarthy Owen Dixon Guest Star Hervé Clermont Christian Brodrick Guest Star Gary Glasberg Executive Producer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Frank Cardea Executive Producer George Schenck Executive Producer Steven D. Binder Executive Producer Scott Williams Executive Producer Donald P. Bellisario Executive Producer Jennifer Corbett Writer Bethany Rooney Director