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 Jamie Lee Curtis Dr. Samantha Ryan Guest Star Matt Craven Secretary of the Navy Clayton Jarvis Guest Star Sean Astin Tyler Elliott Guest Star William Russ Philip Wickes Guest Star John Prosky Carl Dalton Guest Star Lauren Hodges Amanda Baylor Guest Star Joel Polis Ronald Ostrowski Guest Star Tom Virtue Frank Satner Guest Star J. Claude Deering Curtis Hubley Guest Star Donald P. Bellisario Executive Producer Gina Lucita Monreal Writer Tom Wright Director