The director is shooting the film - based on Dan Brown's best-selling novel - in Lincoln, England, with Lincoln Cathedral doubling for Westminster Abbey.
But the remote location and summer shoot have caused some problems.
Producers have posted desperate e-mails to employers in the area, asking for extras aged 40 and over - but most locals are either working or on vacation.
The e-mail reads, "We are working on an American feature film shooting in Lincoln in August. We have been casting in Lincoln but we are still desperately looking for men aged 40 and over to take part."
But local Ian Pilcher tells The Lincolnshire Echo, "Most of us are working and probably don't have time for auditions like this. It's also school holiday time and family men will be off with their children. Add to that the embarrassment factor and you're not going to get many of us. I guess some people might view it as a bit of an unmanly thing to do."
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