Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor Sasha Alexander NCIS Special Agent Caitlin Todd Actor Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor David McCallum Dr. Donald "Ducky" Mallard Actor Sean Murray NCIS Special Agent Timothy McGee Guest Star Ben Murphy Capt. Veitch Guest Star David Monahan P.O. Drew Guest Star Eric Laden P.O. Thompson Guest Star David O'Donnell Jeb Guest Star Mik Scriba Mr. Walters Guest Star Pancho Demmings Gerald Jackson Guest Star Peter Onorati Chief of the Boat Guest Star James Black Crewman Guest Star Reed Rudy Air Transport Officer Guest Star Glenn Morshower Cmdr. Robert Peters Guest Star Michael Lowry Lt. Cmdr. Akron Guest Star J. Robin Miller Lt. Connors Guest Star Donald P. Bellisario Executive Producer Michael Zinberg Director George Schenck Writer Frank Cardea Writer