Mark Harmon

Mark Harmon starred as Leroy Jethro Gibbs on NCIS for eighteen seasons and also served as executive producer of the show. In other television work, Mark received an Emmy nomination for Outstanding Guest Actor in a Drama Series for the criically acclaimed The West Wing and for Outstanding Supporting Actor in a Drama Special for Eleanor and Franklin: The White House Years. Other credits include Reasonable Doubts, for which he received two Golden Globe nominations; Chicago Hope; From Earth to the Moon; St. Elsewhere; and Moonlighting.