Thomas William Selleck is an American actor and film producer, best known for his starring role as Hawaii-based private investigator "Thomas Magnum" on the 1980s television series, "Magnum, P.I." (1980). He also plays "Jesse Stone" in a series of made-for-TV movies, based on the Robert B. Parker novels. In 2010, he appears as "Commissioner Frank Reagan" in the drama series, "Blue Bloods" (2010) on CBS.He has appeared extensively on television in roles such as "Dr. Richard Burke" on "Friends" (1994) and "A.J. Cooper" on "Las Vegas" (2003). In addition to his series work, Selleck has appeared in more than fifty made-for-TV and general release movies, including Mr. Baseball (1992), Quigley Down Under (1990), Lassiter (1984) and, his most successful movie release, 3 Men and a Baby (1987), which was the highest grossing movie in 1987.