Thomas William Selleck 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.
In films, Selleck has played bachelor architect Peter Mitchell in Three Men and a Baby (1987) and its sequel Three Men and a Little Lady (1990). He has also appeared in more than 50 other film and television roles since Magnum, P.I., including the films Quigley Down Under, Mr. Baseball, and Lassiter. He appeared in recurring television roles as Monica Geller's love interest Dr. Richard Burke in Friends, as Lance White, the likeable and naive partner on The Rockford Files, and as casino owner A. J. Cooper on Las Vegas.