21 Classic Sitcom Stars Still Shining at 65 and Beyond

Mark Harmon was a big name in 1982 with St. Elsewhere before he dominated the screen as Agent Gibbs on NCIS (premiering in 2003 and still running). He has been a leading man for almost 40 years and has remained a favorite for his “all-American” appeal. Many don’t know, but he even won the title of Se*iest Man Alive in 1986.