Tom Selleck on the Future of Blue Bloods: ‘I Don’t Think There Is an End Point’ Blue Bloods is wrapping up its tenth season, but star Tom Selleck says the beloved CBS family drama series could be around for a long time yet. “I don’t think there is an end point,” Selleck, 75, who plays law enforcement family patriarch Frank Reagan, tells PEOPLE. “I think there is a lot of life in the show, as long as you let your characters …