How many movies have Marcia Knight and William Grefé collaborated on?

They have worked on 4 movies together! Their first movie together was Stanley (1972) while their highest rated movie together was Mako: The Jaws of Death (1976). They have not worked together since Mako: The Jaws of Death (1976). They are most known for their horror films together.

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Secretary (as Marcie Knight)
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Gloria Calvin (as Marcie Knight)
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