Full title: 'NCIS' Star Sean Murray on Michael Weatherly's Final Episode and New Beginnings: 'People Are Afraid of Change' It's the end of the road for NCIS' Michael Weatherly. The 47-year-old star bids farewell on Tuesday to the longtime CBS procedural after 13 seasons and more than 300 episodes playing the charming goofball, NCIS Special Agent Tony DiNozzo. Though Weatherly acknowledged that the end was inevitable, jokingly telling ET's Kevin Frazier earlier this month that he "should've left years ago," his co-star and friend Sean Murray remains hopeful for the occasional cameo. "[In] the world of NCIS, characters come and...