Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor Cote de Pablo NCIS Special Agent Ziva David Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor Sean Murray NCIS Special Agent Timothy McGee Actor Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Cameron Monaghan Nick Peyton Guest Star Don McManus Mark Stafford Guest Star Daphne Ashbrook Donna Peyton Guest Star Amy Landecker Dr. Ellen Gracey Guest Star Gregg Daniel Parking Enforcement Officer Riggs Guest Star Ron Morehouse Parking Enforcement Officer Bixby Guest Star S.E. Perry Marine Col. Yale Peyton Guest Star Dmitri Schuyler-Linch Young Nick Peyton Guest Star Donald P. Bellisario Executive Producer Reed Steiner Writer Christopher J. Waild Writer Terrence O'Hara Director