'The Happiest Day in the Life of Olli Mäki' trivia and fun facts

Director

The director Juho Kuosmanen was born in Kokkola, the same city as Olli Mäki.

In the end of the film, Olli and Raija walk to the harbor and encounter an old couple. The couple are the real-life Olli and Raija Mäki.

Elis Ask's apartment in the movie was set in the apartment of director Juho Kuosmanen in real life.