How many movies have Ben Sinclair and Peter Jackson collaborated on?

They have worked on 1 movie together! Their first movie together was The Lord of the Rings: The Return of the King (2003) and was their highest rated movie together. They have not worked together since The Lord of the Rings: The Return of the King (2003).

Crew
Sound Editor
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Director
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Producer
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Screenplay
Role
Corsair Bosun (uncredited)