The House in Montevideo
Das Haus in Montevideo (original)
A respectable professor inherits a house and money in Montevideo from his wild sister, on the condition that he himself behaves in a disreputable way.
Starring Heinz Rühmann, Ruth Leuwerik, Paul Dahlke, Hanne Wieder, Viktor de Kowa, Ilse Pagé, Fritz Tillmann, Pierre Franckh, Michael Verhoeven, Elfie Fiegert
It's a comedy movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United Kingdom.