How many movies have David Gruschka and Julian Holzapfel collaborated on?

They have worked on 1 movie together! Their first movie together was Besuch im Wald (2015) and was their highest rated movie together. They have not worked together since Besuch im Wald (2015).

Besuch im Wald (2015)

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Dialogue Editor
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Sound Effects Editor
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Supervising Sound Editor