Tom Selleck Chose Family at the Height of His Fame — 39 Years Later, Jillie Mack Is Still by His Side

Most people know Tom Selleck either as Thomas Magnum tearing down Hawaiian highways in a red Ferrari, or as Frank Reagan holding court at Sunday dinner on Blue Bloods. But behind the mustache and the decade-spanning TV career, there’s a part of his life Selleck has fought tooth and nail to protect: his 37-year marriage to British actress Jillie Mack.

Their story started in London back in the early ’80s while Selleck was shooting Lassiter. His co-star Jane Seymour couldn’t figure out why the man was suddenly obsessed with the West End production of Cats. He dragged everyone to the theater night after night. Turns out, he wasn’t there for the show—he had his eye on Mack, who played Rumpleteazer. When he finally hung around backstage, he got tongue-tied. Thankfully, Mack took pity on him and asked if he wanted to grab a beer. Funniest part? She had no clue he was an international sex symbol; her TV had been stolen months earlier, so the whole Magnum craze passed right over her.

By 1987, they decided to get married, but they went out of their way to avoid a Hollywood circus. They booked a tiny chapel near Lake Tahoe under fake names and banned professional cameras. The only photos taken that day were Polaroids so no rogue photographer could run off to the tabloids with film negatives. Selleck summed it up years later in four words: “We wanted some dignity.” That set the template: work belonged to the audience, family belonged to them.

Then came 1988. Magnum, P.I. finished its legendary eight-season run, and Mack gave birth to their daughter, Hannah. Instead of parlaying that momentum into another blockbuster or giant network contract, Selleck did the unthinkable for an A-lister at his peak: he stopped.

“I quit Magnum to have a family,” he told People.

They bought a 65-acre ranch in Ventura County, trading Hollywood step-and-repeats for avocado farming and horse stables so Hannah could have an actual childhood. Selleck is naturally quiet; Mack is the outgoing spark. Giving each other room to do their own thing during the day and reconvening at night kept them grounded while everyone around them in the business was getting divorced.

Asked by GQ what the real secret was after decades together, Selleck didn’t overcomplicate it: “I think love has gotten deeper. Simpler.”