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 NSA Agent Eleanor "Ellie" Bishop Actor Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Ben Vereen Lamar Addison Guest Star Matt Biedel Navy Lt. Kevin Daly Guest Star Holley Fain Audrey Daly Guest Star Gabriel Tigerman Max Comey Guest Star Michelle Pierce Breena Palmer Guest Star Kiara Muhammad Kayla Vance Guest Star Akinsola Aribo Jared Vance Guest Star Alyvia Alyn Lind Emma Daly Guest Star Luke Colombero Tommy Daly Guest Star Meredith Eaton Carol Wilson Guest Star Gary Glasberg Executive Producer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Shane Brennan Executive Producer Donald P. Bellisario Executive Producer Scott Williams Writer Terrence O'Hara Director