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 George Newbern Arthur Haskell Guest Star Michael Monks Matt Lane Guest Star Jackson Hurst Zach Nelson Guest Star Madisen Beaty Kristin Haskell Guest Star Robyn Cohen Annie Nelson Guest Star Eli Goodman Adam Gator Guest Star Cokey Falkow Deeter Johanson Guest Star Sarah Manninen Hannah Gator Guest Star Michael Duvert Navy Cmdr. Walter Daniels Guest Star Dan Desmond Grumpy Neighbor Guest Star Nadia Bjorlin Brittany Guest Star Robert Ochoa Boy Guest Star Donald P. Bellisario Executive Producer Terrence O'Hara Director Christopher J. Waild Writer