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 Lucy Davis Dr. Janice Brown Guest Star Robert Neary Travis Cook Guest Star Seana Kofoed CEO Virginia Wilson Guest Star David Tom Maple Guest Star Marcus Henderson Stu Guest Star Priscilla Barnes Mrs. Skalbe Guest Star Ally Maki Marine Manna Guest Star Nick Gomez Nicky Jones Guest Star Tony Gonzalez NCIS Special Agent Tony Francis Guest Star Tatiana Checkova Reena Deesie Guest Star Alex Stemkovsky Bodyguard 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 Stephen D. Binder Writer Bethany Rooney Director