Kristiina Halkola

Liisa Alatalo

Kirsti Wallasvaara

Tenu

Aulikki Oksanen

Lulu

Pekka Laiho

Petteri, "Vihtori Herttua", student of Technology

Pekka Autiovuori

Alpo, student of Technology

Jukka Sipilä

Nipa, "Isotalo", student of Technology

Heikki Kinnunen

Hessu, "Isotalo's helper", student

Kaj Chydenius

Vesa-Matti Loiri