Operation Caviar
Es muß nicht immer Kaviar sein (original)
Bank accountant Thomas Lieven is forced to work as a triple agent for the British, the French and the Nazis.
Starring O.W. Fischer, Eva Bartok, Senta Berger, Geneviève Cluny, Jean Richard, Geneviève Kervine, Viktor de Kowa, Werner Peters, Wolfgang Reichmann, Fritz Tillmann
It's a thriller 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 United Kingdom.