Don McGill Creator Donald P. Bellisario Creator, Executive Producer, Writer, Director Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor Sasha Alexander NCIS Special Agent Caitlin Todd Actor Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor David McCallum Dr. Donald "Ducky" Mallard Actor Alan Dale NCIS Director Tom Morrow Guest Star Gerry Becker Secret Service Agent William Baer Guest Star Joe Spano Senior FBI Agent T.C. Fornell Guest Star Gary Grubbs Coroner Elmo Poke Guest Star Steve Bridges President George W. Bush Guest Star Richard Anthony Crenna Chief Steward Guest Star Gerald Downey Cmdr. Ray Trapp Guest Star Michael Adler Capt. Burger Guest Star Michael Maize Security Guard Guest Star Pancho Demmings Gerald Jackson Guest Star Gerald McCullouch FBI Agent Guest Star Gregory Itzin FBI Director Guest Star Lawrence Pressman Secret Service Director Guest Star Dane Northcutt Maj. Timothy Kerry Guest Star Dwayne Macopsen Maj. Carl Pritchard Guest Star Jeremy Overstreet Agent Bowman Guest Star Robert Bagnell Leonard Rish Guest Star Asante Jones Homicide Detective Andy Kochofis Guest Star John Tinker Executive Producer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer