
Sten Stensson Stéen has been challenged by a professor of law in a TV-game-show. Stensson, always fighting against immorality, comes to Stockholm a few days before the the broadcast to teach the young generation how to behave. A gang of crooks mistakes him for a famous dynamiter that they've been waiting for.

Nils Poppe
Sten Stensson

Hjördis Petterson
Agda

John Norrman
Putte
Claes Esphagen
Olsson
Sten Lonnert
Rulle

Carl-Axel Elfving
Nilsson
Morgan Andersson
Monsieur
Lena Brundin
Karin

Tage Severin
Gunnar
Lill Larsson
gatflickan

Hilding Rolin
kommissarie Fröberg

Ilse-Nore Tromm
fru Fröberg

Arthur Fischer
Stens far
Inga-Lill Åhström
Stens mor
Gunnar Rosendal
prästen