"Uptown Saturday Night" is essentially a put-on, but it's so full of good humor and, when the humor goes flat, of such high spirits that it reduces movie criticism to the status of a most nonessential craft.
The star as well as director of "Uptown Saturday Night" is Sidney Poitier, a man whose way with comedy is reminiscent of Stanley Kramer's in "It's a Mad, Mad, Mad, Mad World." It's less instinctive than acquisitive. He himself can't make anyone laugh but he knows people who can. Mr. Poitier has had the good sense to hire a lot of exceptionally talented and funny people, including Richard Wesley, who wrote the screenplay for "Uptown Saturday Night."
The film combines blunt,...
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