Say Happy Birthday!

Mark Harmon
Actor | Age 66
Birthdate: September 2, 1951
Birthplace: Burbank, California, U.S.
Zodiac: Virgo

Thomas Mark Harmon (born September 2, 1951), known professionally as Mark Harmon, is an American television and film actor who has appeared in a wide variety of roles since the early 1970s. Since 2003, Harmon has starred as former U.S. Marine Corps Gunnery Sergeant and Scout-Sniper turned NCIS Special Agent Leroy Jethro Gibbs in the CBS series, NCIS. Wikipedia