Mark Harmon (born September 2, 1951) is an
American actor who has been starring in U.S.
television programs and
films since the mid-1970s. Since 2003, Harmon has starred as
Leroy Jethro Gibbs in the popular
CBS series
NCIS.
Early life
Harmon was born
Thomas Mark Harmon in
Burbank, California. His father was
University of Michigan football All-America and
Heisman Trophy winner
Tom Harmon. His mother is actress and artist
Elyse Knox (née Elsie Lillian Kornbrath).
[the daughter of Frederick and Elizabeth Kornbrath, 1920 U.S. Census, Hartford, Hartford County, Connecticut] Mark has two older sisters both married to well-known men: actress and painter
Kristin Nelson, the former wife of singer
Ricky Nelson, and actress Kelly Harmon, who was once married to car magnate
John DeLorean.
