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 Brian Dietzen Jimmy Palmer Guest Star Sarah Jane Morris NCIS Special Agent Erica Jane "EJ" Barrett Guest Star Enrique Murciano Ray Cruz Guest Star Ryan Carnes Bryce Leitner Guest Star Marque Richardson II Navy Seaman Joey Elson Guest Star Nicholas J. Muscarella Navy Seaman Derek Balfour Guest Star Roy Jackson Bartender Guest Star Erin Ross Melissa Guest Star Donald P. Bellisario Executive Producer Nicole Mirante-Matthews Writer Reed Steiner Writer Thomas J. Wright Director