Gentlemen in White Vests
Die Herren mit der weißen Weste (original)
Upon retirement, an elderly judge enlists pensioner friends to help him outwit a boxing promoter who, for many years, has been involved in criminal and shady activities and shut down his underworld connections and would-be gang of master thieves.
Starring Martin Held, Walter Giller, Heinz Erhardt, Agnes Windeck, Hannelore Elsner, Mario Adorf, Rudolf Platte, Rudolf Schündler, Willy Reichert, Herbert Fux
It's a crime and comedy movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Norway.