He is an actor and he is currently acting in the television show NCIS.
Harmon was diagnosed with acute lymphocytic leukemia (ALL) on Oct. 4, 1983, just one month shy
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