Rhinoceros
Starring Gene Wilder, Zero Mostel, Karen Black, Joe Silver, Robert Weil, Marilyn Chris, Percy Rodriguez, Robert Fields, Melody Santangello, Don Calfa
It's a fantasy and comedy movie, and has a rating of 5.9 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Austria.