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 Brian Dietzen Jimmy Palmer Guest Star Jamie Lee Curtis Dr. Samantha Ryan Guest Star Matt L. Jones NCIS Probationary Agent Ned Dorneget Guest Star Wendy Makkena Dr. Rachel Cranston Guest Star Richard Schiff Harper Dearing Guest Star Jaime Ray Newman Lt. Cmdr. Melanie Burke Guest Star Matt Craven Secretary of the Navy Clayton Jarvis Guest Star Scott Wolf Casey Stratton Guest Star Michelle Pierce Breena Slater Guest Star LaMonica Garrett Marine Capt. Craig Quincy Guest Star Philip Casnoff Sean Latham Guest Star Sean Harmon Young Leroy Jethro Gibbs Guest Star Jeananne Goossen Marine Pvt. Joan Matteson Guest Star Donald P. Bellisario Executive Producer Gary Glasberg Writer Steven D. Binder Writer Reed Steiner Writer George Schenck Writer Scott Williams Writer Nicole Mirante-Matthews Writer Gina Lucita Monreal Writer Allison Abner Writer Tony Wharmby Director Frank Cardea Writer Arvin Brown Director James Whitmore Jr. Director Christopher J. Waild Writer Thomas J. Wright Director Dennis Smith Director Leslie Libman Director Terrence O'Hara Director Michelle MacLaren Director Mark Horowitz Director