He is an actor and he is currently acting in the television show NCIS.
no they are not related
No. The late sportscaster was not related to the star of television's "NCIS" series. Mark Harmon
I don't think so. Mark Harmon has two older sisters, no brothers. I suppose they could be cousins
No, Pam Dawber (Mindy from Mork and Mindy) is Mark Harmon's wife.