The actor was a big hit in A Thousand Clowns in 2001 and he has been keen to get back onstage ever since - but his film and TV career and his sideline as an avocado farmer in California have kept him too busy.
He says, "I'll probably do a Broadway play soon. There's a lot of possibilities but it requires time which I'm happy to say I don't have right now.
"As much as I enjoyed doing my first Broadway play, my first play of any kind back in 2001, I haven't had a chance to go back."
At least Selleck is in the right city nowadays - he plays a New York City police chief in new TV series Blue Bloods, which will debut in America this autumn (10).