How many movies have Irvin Berwick and Wayne Berwick collaborated on?

They have worked on 4 movies together! Their first movie together was The Monster of Piedras Blancas (1959) while their highest rated movie together was The 7th Commandment (1961). They have not worked together since The Loch Ness Horror (1981).

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Sleazy Old Man in Restaurant (uncredited)
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Jerry Nelson, lame boy
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