Mark Harmon's life and career: From NCIS stardom to on-set feuds, Pam Dawber marriage and incredible act of heroism
Mark Harmon doesn't ascribe to the world of celebrity. A Hollywood heavyweight, the actor, 73, prefers to keep a low profile in California. Notoriously humble, and extremely private, the TV star has become something of an enigma despite appearing in major blockbusters and becoming an NCIS legend.