Television star, Tom Selleck was born on this day in 1945. The actor is most recently known for playing the title character, Jesse Stone, in a series of movies as well as his lead role as Police Commissioner Frank Reagan in the long-running CBS drama, Blue Bloods. He rose to stardom in the 1980s as a private detective on Magnum P.I., where he famously donned a Detroit Tigers baseball cap throughout the series.