The camera operator mentioned he felt sorry for the girl who'd just left, and the guy sitting next to me asked why.
"Well, we had the blonde girl in here for about 10 minutes, and that girl just came in and we had her do one take. And you can certainly hear what was going on from the waiting room."
I'd perceived the same thing too, but as someone who was supposed to be helping make the decision, I didn't feel right bringing up the point. Besides, the blonde girl was much better.