In the French Style
Starring Jean Seberg, Stanley Baker, Philippe Forquet, Addison Powell, Jack Hedley, Maurice Teynac, James Leo Herlihy, Ann Lewis, Jacques Charon, Claudine Auger
It's a drama and romance movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.