Leroy Jethro Gibbs
NCIS star Mark Harmon grew up around entertainment and sports
His mom was an actress, and his dad was inducted into the College Football Hall of Fame.
Love and NCIS: Do you remember Leroy Jethro Gibbs' wives?
Yes, plural. He got married four times, and divorced three.
Mark Harmon on NCIS: ''I didn't expect to like the script as much as I did''
"I was reading other things and I was also trying to stay home—young family and I wanted to try and be home more."