The story about Karlsson's six boys, who makes mischief in the fictional town of Östköping.
as Harald Karlsson
as Axel Karlsson
as Rudolf "Rulle" Karlsson
as Edgar Karlsson
as Eskil Karlsson
as Valter "Valle" Karlsson
as Gun Lind
as Walter Åberg
as direktör Stig Lind
as Aroselius aka Klåtten
as Karlsson
as Roland Glantz
as disponent Smedby
as fru Karlsson
as gamla fru Vikblad
as fru Eriksson
as poliskonstapel Bäckström aka Bonnbagarn
as poliskonstapel Johansson
as Ström
as Blomberg
as ordningsman i klassen
as Hartvig Bergkvist
as mannen med vattenslangen
as mannen som lyssnar när Valle spelar munspel
as en teaterbesökare