A young boy sends anonymous threats to various troublemakers around town, hoping that they will report themeselves to the police and grant his older brother, a militia officer a transfer to Warsaw.

• Zespół Filmowy "Start"
• Barbara Drapińska
• Pola Raksa
• Stanisław Mikulski
• Remigiusz Zarzycki
• Krystyna Borowicz
• Wanda Chloupek
• Krystyna Karkowska
• Aleksandra Dmochowska