How many movies have Janne Laine and Johannes Holopainen collaborated on?

They have worked on 3 movies together! Their first movie together was Twisted Roots (2009) while their highest rated movie together was Unknown Soldier (2017). They have not worked together since Helene (2020). They are most known for their drama films together.

Crew
Sound Designer
Role
Kosmo
Crew
Sound Re-Recording Mixer