In a small town called Skrabbarp in Southern Sweden lives the school teacher Sebastian Pettersson, an amateur detective and one of the most diligent correspondents of the Stockholm police.

• AB Komiska Teatern
• Nils Poppe
• Gunnar Björnstrand
• Adolf Jahr
• Inga Landgré
• Kenne Fant
• Gull Natorp
• Märta Dorff
• Dagmar Ebbesen