The birth of Mark Harmon

Mark T Harmon was born on October 25, 1961 in Los Angeles County, California.

His father's last name is Harmon, and his mother's maiden name is Wright. If Mark is still alive, he's now years old.

His potential siblings include Marybeth (born 1968), Janet (born 1963), Jill (born 1967) and Todd (born 1966).