Gaga has so many
On top of the ones that were mentioned:
The guy that trips over in the last dance sequence in MTN
On the Judas bike, her hair is yellow and ratty from a distance, and on the close ups, its orange and smooth. Its a completely different weave.
The breadsticks in the Telephone sandwich dance keep changing, it goes from like 3 bread sticks, to 2, to 5 and back to 3.
Also, the entire Edge of Glory Video
