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 Peter Coyote Ned Quinn Guest Star Kay Lenz Connie Quinn Wheeler Guest Star Ryan Bittle Metro Detective Justin Kemp Guest Star Eric Stonestreet Harvey Ames Guest Star Wesley Jonathan Greg Guest Star Charles Carroll Dr. Pryor Guest Star Bill Stevenson Hector Guest Star Carla Gallo Melissa Wheeler Fox Guest Star Donald P. Bellisario Executive Producer Tony Wharmby Director George Schenck Writer Frank Cardea Writer