the Show is 6 years old and has been on for 6 seasons
the show is actually 9 years because it will start its 9th season this yearChat with our AI personalities
Mark Harmon is 65 years old (birthdate: September 2, 1951).
Actor Mark Harmon's favorite food is unknown. Mark has been acting for over 30 years and most known for his role in NCIS.
Mark Harmon has 2 children
Mark Harmon is 6ft tall.
no they are not related