About Mark Harmon:
Thomas Mark Harmon is an American television and film actor who has appeared in a wide variety of roles since the mid-1970s. Since 2003, Harmon has starred as former U.S. Marine Corps gunnery sergeant and sniper turned NCIS Special Agent Leroy Jethro Gibbs in the hit CBS series, NCIS, a role that has become Harmon's best-known role to date while also giving him international recognition.
I think if you get asked to do this, then that's called doing your homework, and I try and do it.
Mark HarmonI'm in the business to push it. I'm not likely to be attracted to characters I've already done.
Mark HarmonIt's a lot easier to do good work when you have good words to say and work with good people.
Mark HarmonI'm just beginning to direct. For all intents and purposes, this is the first time for me.
Mark Harmon