Gangsters try to steal Uuno Turhapuro's father-in-law's money by infiltrating into the family through Uuno, by pretending he has a long-lost son.
Uuno Turhapuro
Urho Turhapuro
Hugo Tuura
Mrs. Tuura
Elisabeth Turhapuro
Nou
Sörsselssön
Unelma Säleikkö
Viinanen
Härski Hartikainen (uncredited)
Director
Writer
Production Design
Costume Design
Makeup Artist
Production Sound Mixer
Gaffer
Location Manager
Script Supervisor
Producer
Original Music Composer
Director of Photography
Editor