United Kingdom, May 21 -- Ana de Armas wants to set "external boundaries" between her public and private life.

The 37-year-old actress - who has been linked to Tom Cruise in recent months, with neither star commenting on the speculation - has insisted her "public persona" should be kept separate from her real life away from the public eye.

She told ELLE Spain magazine: "Over the years, you get more used to it. You learn to find your corners, your privacy, your way of doing things, your lifestyle...

"I'm one of those who think there should be external boundaries, a barrier that's quite visible to others and to oneself.

"Making it clear, 'This is as far as I go with my work, my public persona, what's expected of me, and what I want to s...