How many movies have Diomid Vinogradov and Vladimir Nikolaev collaborated on?

They have worked on 3 movies together! Their first movie together was The Snow Queen 2: Refreeze (2014) while their highest rated movie together was The Snow Queen 3: Fire and Ice (2016). They have not worked together since The Snow Queen 3: Fire and Ice (2016). They are most known for their fantasy films together.