Casts
Sigge Fürst
as Policeman Björk
Elof Ahrle
as Nicke Karlsson
Ulf Johansson
as Peters
Björn Berglund
as Prof. Rasmusson
Arne Källerud
as Kalle's Father
Solveig Hedengran
as Kalle's Mother
Britta Brunius
as Mia Lisander
Börje Mellvig
as Stenberg
Birger Åsander
as Blom
Eric von Gegerfelt
as Chief Constable Öman (uncredited)