How many movies have Boonchai Kanlayasiri and Sita Vosbein collaborated on?

They have worked on 2 movies together! Their first movie together was My Space (2004) while their highest rated movie together was Headless Ghost (2007). They have not worked together since Headless Ghost (2007).

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Third Assistant Director
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Associate Producer
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Screenplay
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Associate Producer
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Assistant Director
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Art Direction