You can always tell a lazy Robin Williams movie by the unavoidable scene in which he does a lot of different voices and characters. This time, nervous about meeting his son, he tries out various roles in front of a mirror. All right, already. We know he can do this; we've seen him do it in a dozen movies and on a hundred talk shows. He's getting to be like the goofy uncle who knows one corny parlor trick and insists on performing it at every family gathering.
"Oh, no joke or anything, I was in Penzance as the main police officer and it's rare for me to get a chance to sing the music, so I'm just indulging myself."