The Jönsson Gang & the Black Diamond [23654] Released: 1992-10-30 Revenue: $0 Budget: $0 Profit: $0 Runtime: 104 mins Popularity: 0.3727 Vote Average: 5.2 Vote Count: 45 Overview: Sickan, the leader of the criminal Jönsson gang is incarcerated in a mental institution, attended by Dr M.A. Busé, who admire a handbook in crime that Sickan has been writing. Blackmailed by the nefarious banker Wall-Enberg, Dr Busé and Sickan's partners Vanheden and Dynamite-Harry execute Sickan's plan of stealing the valuable Black Diamond of the Romanovs from the National Museum. Cast [22] Ulf BrunnbergRagnar Vanheden Björn GustafsonDynamit-Harry Peter HaberDr. Max Adrian Busé Birgitta AnderssonDoris Elias RingquistLillis Björn GranathLohman Pontus GustafssonAndersson Bernt LindqvistThe Chief of Police Per GrundénWall-Enberg Weiron HolmbergBiffen Johansson Lena T. HanssonBusé's secretary Rikard WolffCount Romanoff Thomas SegerströmGuard Jonas UddenmyrGuard Karl Erik AndersenJailer Ulf ErikssonPatient Sten HellströmPatient Jan MybrandKeeper Kjell-Hugo Grandin Ulf Friberg Suzanne Ernrup Marianne Karlbeck Trailers