The Master Detective and Rasmus

Lars-Erik Lundberg

Kalle Blomkvist

Peder Dam

Anders Bengtsson

Inger Axö

Eva-Lotta Lisander

Eskil Dalenius

Rasmus Rasmusson

Sam Stadener

Sixten

Ulf Söderberg

Benka

Göran Ryrbäck

Jonte

Sigge Fürst

Policeman Björk

Elof Ahrle

Nicke Karlsson

Ulf Johansson

Peters

Björn Berglund

Prof. Rasmusson

Arne Källerud

Kalle's Father

Solveig Hedengran

Kalle's Mother

Britta Brunius

Mia Lisander

Börje Mellvig

Stenberg

Birger Åsander

Blom

Harry Philipson

Eva-Lotta's Father (uncredited)

Gustaf Hiort af Ornäs

Berggren (uncredited)

Eric von Gegerfelt

Chief Constable Öman (uncredited)

Olle Ekbladh

State Police (uncredited)