Bryan Forbes brought together the writing team behind "Mary Poppins," the Sherman brothers, along with a group of well-regarded British stage performers for this pleasant version of the "Cinderella" story. I have to say—I’m really not fond of Richard Chamberlain; his performances as Alan Quatermain and Edmond Dantes years ago were so disappointing that it's hard to let go. However, in this film, he’s passable. He pla…