A comedy mystery involving the composer and cartoonist Hubert Yrhage, the journalist Gary Lundberg, anticartoon campaigner Lena Lett, the mysterious Jens Myskovich and music publisher Darling Karlsson. Yrhage receives his manuscripts from an 11 year-old whose inspiration comes from the mysterious events at a boarding house where several of the characters stay.
Povel RamelHubert Yrhage
Sven LindbergGary Lundberg
Harriet AnderssonLena Lett
Douglas HågeDarling Karlsson
Georg RydebergJens Myskovich
Carl-Gustaf LindstedtTyko Kölstav
Ingrid ThulinMalou Hjorthagen
Lissi AlandhLillan Persson-Qvist
Elsa PrawitzSylvia Blidfjell
Marianne LöfgrenJuttan JärpeOlle PetterssonJan Järpe
Curt LöwgrenFritiof Andersson
Gull NatorpMrs Beda
Signe WirffMrs Anna
Olof SandborgMajor Löwenbräu
