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 Lily Rains Nora Williams Guest Star Dina Meyer Holly Snow Guest Star Ryan Cutrona Ray Beringer Guest Star Victoria Pratt Tiffany Guest Star David de Lautour Daniel Sturgis Guest Star Kevin Symons Federal Air Marshall Arthur Neeley Guest Star Livia Treviño Lupe Guest Star Darren Keefe Reiher Steven Baker Guest Star Clark Koelsch Stephan Guest Star Donald P. Bellisario Executive Producer Tony Wharmby Director Christopher J. Waild Writer