Thomas William Selleck (; born January 29, 1945) is an American actor. His breakout role was playing private investigator Thomas Magnum in the television series Magnum, P.I. (1980–1988), for which he received five Emmy Award nominations for Outstanding Lead Actor in a Drama Series, winning in 1984. From 2010-24, he was NYC Police Commissioner Frank Reagan in Blue Bloods. From 2005-15, he was troubled small-town police chief Jesse Stone in nine television films based on the Robert B. Parker novels. Wikipedia