Tom Cruise is a strange human being. This is not up for debate. Nor is the fact that he’s a great movie star and perhaps the last truly great American movie star. Cruise doesn’t overplay the working-class persona. He simply embodies the concerns of a terrified father trying to dodge alien death rays.Even at 64, this genetic anomaly shows no signs of slowing down. Cruise is so monomaniacally devoted to his craft that what he does off-screen shoul…