Väinö Kehkonen, the head of a Helsinki-based construction company, takes his wife and the Ärmälä couple to Dr. Puosu for a rejuvenating hormone injection, which causes them to behave like children. The director, previously known for his lack of drive, gains energy and enthusiasm from the injection, both in his business and personal life.
as johtaja Vänski Kehkonen
as Helena Kehkonen
as johtaja Aukusti Ärmälä
as Liisa Ärmälä
as tohtori Leander Tiburtus Puosu
as Pena
as johtaja Antero Koro
as konttoripäällikkö Kivi
as konstaapeli Jeparinen
as konekirjoittajatar
as äiti
as 1. tyttö
as naisten lähetystön jäsen
as nuori mies
as etsivä Pahkanen
as Köösti
as eukko
as opettaja
