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
Ulf Brunnberg
Ragnar Vanheden
Björn Gustafson
Dynamit-Harry
Peter Haber
Dr. Max Adrian Busé
Birgitta Andersson
Doris
Elias Ringquist
Lillis
Björn Granath
Lohman
Pontus Gustafsson
Andersson
Bernt Lindqvist
The Chief of Police
Per Grundén
Wall-Enberg
Weiron Holmberg
Biffen Johansson
Lena T. Hansson
Busé's secretary
Rikard Wolff
Count Romanoff
Thomas Segerström
Guard
Jonas Uddenmyr
Guard
Karl Erik Andersen
Jailer
Ulf Eriksson
Patient
Sten Hellström
Patient
Jan Mybrand
Keeper
Kjell-Hugo Grandin
Unknown
Ulf Friberg
Unknown
Suzanne Ernrup
Unknown
Marianne Karlbeck
Unknown
Crew
Hans Åke Gabrielsson
Director, Writer
Rolf Börjlind
Writer
Roger Sellberg
Editor
Rolf Lindström
Director of Photography
Lars Karlsson
Director of Photography
Magdalena Jangard
Assistant Director
Örjan Enström
Executive Producer
Klas Olofsson
Executive Producer
Ingemar Ejve
Producer
Katinka Faragó
Producer
Stig Boqvist
Production Design
Hedvig Andér
Costume Design
Jan Kindahl
Makeup Artist
Kjell Jansson
Sound Editor
Bengt Löthner
Sound Editor
Eva Löthner
Sound Editor
Richard Löthner
Sound Editor
Olle Unnerstad
Sound Editor
Bo Persson
Sound
Lars Rechlin
Sound
Thomas Lindahl
Original Music Composer
Carolina Häggström
Continuity
