I am looking for an old comedy movie about two families

Movies
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i am looking for an old comedy movie about one or two persons that invited to a house that in it two families are living and seem crazy. one family name is mole or mule

3 Answers

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Is it possible movie with Tom Hanks?

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None of them is named Mule, but maybe?:

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By “Old” you mean black and white? If it is so reminds me of You Can’t Take It With You (1938)