Mark Harmon's marriage has been shrouded in secrecy, as the popular NCIS actor prefers to keep his personal life private. However, the untold truth about his marriage reveals a strong relationship that has stood the test of time. Harmon has been married to actress Pam Dawber since 1987, and they have two sons together. Despite the challenges of a Hollywood marriage, the couple remains strong and devoted to each other, maintaining a harmonious and long-lasting relationship away from the prying eyes of the public.