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 Chris Mulkey Navy Capt. Richard Owens Guest Star Eric Nenninger Navy Corpsman Taylor Henley Guest Star James Martinez Navy Lt. Eduardo Almeida Guest Star Marc Jablon Navy Lt. Jonah Kaplan Guest Star Anthony Brandon Wong Lt. Cmdr. Russell Nguyen Guest Star William Marquez Dr. Javier Delgado Guest Star Rene L. Moreno Hector Cruz Guest Star Kate Lacey Navy Ensign Christina Solomon Guest Star Roberto Sanchez José Guest Star Austin Priester Lt. Bryce Armstrong Guest Star Julie Dickens Console Operator Guest Star Ward Roberts Pilot Guest Star Ariel Mirabel-Ramos Ensign Guest Star Donald P. Bellisario Executive Producer Dan E. Fesman Writer David J. North Writer Thomas J. Wright Director