Gösta Ekman as Charles-Ingvar "Sickan" Jönsson

Ulf Brunnberg as Ragnar Vanheden

Björn Gustafson as Dynamit-Harry

Nils Brandt as Rocky Blom

Carl Billquist as Detective Bertil Persson

Weiron Holmberg as Biffen

Mona Seilitz as Katrin Apelgren, "Plommonet"

Dan Ekborg as Detective Gren

Sten Ardenstam as Mr Appelgren

Peder Ivarsson as Bill

Lena Söderblom as Mrs Lundberg

Jarl Borssén as The Night watchman

Per Grundén as Wall-Enberg

Peter Harryson as The Spotter

Jan Nygren as The Colleague

Börje Nyberg as Director at Berns

Philip Zandén as Assistant Director at Berns

Gösta Krantz as Driver of patrol wagon

Henrik S. Järrel as The Cyclist

Jan Waldekranz as Policeman

Carl-Lennart Fröbergh as Policeman