When Gray and Sam are riding in the cab driven by Gordy, the flag on the meter hasn't been pulled; the fare on the meter visibly stays locked on 2.00.
When Gray is drinking tea, she keeps changing her grip on the yellow mug.
The interior scene at Raoul's could not be Raoul's; there is a brass rail behind Gray and her dates, separating them from the bar area. At Raoul's, no such brass rail exists.
Heading for dinner at Raoul's, Gray gets out of Gordy's cab at the intersection of Seventh Avenue and something; regardless of where that something is, it's not the SoHo intersection of Prince and Sullivan Streets. In fact, that far south, Seventh Avenue is actually Varick Street.