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 Brian Dietzen Dr. Jimmy Palmer Actor Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Brighton Sharbino Young Abby Sciuto Guest Star Michael McGrady Walter Dunn Guest Star Edward Kerr Scott Cutwright Guest Star Michelle Clunie Meredith Dunn Guest Star Robert Catrini Jake Ford Guest Star Drew Rausch Brandon Singer Guest Star Melody Butiu Patricia Richert Guest Star Sy Richardson Lester Guest Star Richard Balin Marty Guest Star Michael Eaddy Ricki's Father Guest Star Judith Drake Delores Guest Star Cole Sand Young Luca Sciuto Guest Star Corinne Massiah Ricki Evans Guest Star Donald P. Bellisario Executive Producer Gary Glasberg Writer Gina Lucita Monreal Writer Dennis Smith Director