Leif Nilsson

Character: Kalle Blomkvist

Sven Almgren

Character: Anders Bengtsson

Birgitta Hörnblad

Character: Eva-Lotta Lisander

Richard Paulson

Character: Sixten

Lasse Starck

Character: Benka

Sten Thunborg

Character: Jonte

Sigge Fürst

Character: Policeman Björk

Nils Hallberg

Character: Gren's Debtor

Georg Skarstedt

Character: Karl August Gren

Siv Ericks

Character: Eva-Lotta's Mother

Erik Strandmark

Character: Eva-Lotta's Father

John Norrman

Character: Fredriksson

Ragnar Arvedson

Character: Crime Commissioner Berg

Hjördis Petterson

Character: Mrs. Karlsson

Carl-Axel Elfving

Character: Journalist

Birger Lensander

Character: Sixten's Father

Eivor Landström

Character: Sixten's Mother

Bengt Blomgren

Character: Doctor Forsberg