How many movies have Dave Campbell and Ralph Haenel collaborated on?

They have worked on 1 movie together! Their first movie together was Quantum Shock: Black Drop (2016) and was their highest rated movie together. They have not worked together since Quantum Shock: Black Drop (2016).

Crew
Director
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Conrad Matheus
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Cinematography
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Fight Choreographer
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Edgar Horton
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Editorial Staff
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Sound Mixer
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Weapons Master
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Costume Designer
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Props