G

A Man for All Seasons is a definite G. (At one point, More uses the word "b****" but he's actually referring to a female dog, so that doesn't really count.)

Yeah, it's not really a children's movie—no little kid could pay attention to this for more than a minute—and it deals with "adult" themes (divorce, producing a kingly heir, religious reformation), but there's nothing really remotely titillating or shocking about the movie.

The only slightly PG moment might be when More gets executed, but we don't even see his head chopped off or rolling away afterwards. Mufasa's death in The Lion King is, by comparison, a lot more disturbing and graphic.