How many movies have Bob Balaban and Christopher Guest acted in together?

They have worked on 6 movies together! Their first movie together was Girlfriends (1978) while their highest rated movie together was Waiting for Guffman (1996). They have not worked together since Mascots (2016). They are most known for their comedy films together.

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Sol Lumpkin
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Director
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Corky St. Clair
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Philip Koontz
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Jay Berman
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Jonathan Steinbloom
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Alan Barrows
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Dr. Theodore W. Millbank, III
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Harlan Pepper
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Screenplay
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Lloyd Miller
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Corky St. Clair
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Original Music Composer
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Lyricist