Bill Bergson Lives Dangerously (1957)
Bill Bergson Lives Dangerously (original Swedish name: Mästerdetektiven Blomkvist lever farligt) is a 1957 Swedish film about Kalle Blomkvist, directed by Olle Hellbom. It is based on the novel with the same name, written by Astrid Lindgren. It was recorded in Trosa, Södermanland.
More at Wikipedia.