“I’m an atheist. I don’t believe in a hereafter or a God,” announced Actor Burt Lancaster in London. Or, evidently, in good timing, since Burt’s remarks came just hours before a royal command performance of his movie Moses. Partly recycled from his six-part TV opus Moses The Lawgiver, the feature-length film shows the actor as bearded religious leader rather than dashing ladies’ man. “Since I’m 62, that gets a bit embarrassing,” Lancaster allowed, “although I am still susceptible to the charms of a 19-year-old girl. Like any man, I suppose, I’m still a bit of a ‘dirty old man.’ ”