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 Lance Henriksen Sheriff Clay Boyd Guest Star Tim Guinee Bart Lemming Guest Star Mira Furlan Dina Risi Guest Star Patrick St. Esprit Navy Cmdr. Weidman Guest Star Robert Ri'chard Navy Seaman Richard Zell Guest Star Matt Miller NCIS Agent Jack Patterson Guest Star Zach Lewis NCIS Mailroom Clerk Roy Guest Star Barry Livingston Bartholomew Lemming Guest Star Aaron Norvell Uniformed Cop 1 Guest Star John Roderick Davidson Uniformed Cop 2 Guest Star Donald P. Bellisario Executive Producer George Schenck Writer Frank Cardea Writer Thomas J. Wright Director