The Happy Ending
Starring Jean Simmons, John Forsythe, Shirley Jones, Lloyd Bridges, Teresa Wright, Dick Shawn, Nanette Fabray, Bobby Darin, Tina Louise, Kathy Fields
It's a drama movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Austria.