As I recall, Andy Garcia's wife  in "Internal Affairs" was a curator at a
museum of contemporary art   in LA.

The movie in which Cybil Shephard played a curator (at the Smithsonian?) was
"Chances Are."

And as for most attractive museum VISITOR, how about Robert Redford wandering
through the Guggenheim (which I'd guess is among the most filmed) in "Three
Days of the Condor."

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