The Black Marble
Starring Robert Foxworth, Paula Prentiss, Harry Dean Stanton, Barbara Babcock, John Hancock, Raleigh Bond, Judy Landers, Pat Corley, Paul Henry Itkin, Richard Dix
It's a crime and comedy movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Austria.