the black marble be adapt from wambaugh novel and which be clever and fresh and funny and compelling . the movie contain none of the above . harry dean stanton acting be the only save grace to this movie that go absolutely nowhere from start to finish . poor acting and painfully slow dialog make this b movie appear to last six hour . a true yawn fest from start to finish . no need to add spoiler to this review a everything that take place be both corny and predictable . consider wambaugh be responsible for classic such a the onion field and the new centurion and the black marble will be remember a wambaugh black plague .