system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is it that when a movie takes place in a certain time period, they can get the clothing, cars, scenery, props etc. all accurate; but the actors never "look" accurate to the time period (even a no name) for some reason?
gpt
It's likely you're just experiencing bias due to knowing that they're from the modern era despite dressing the part. You can find all sorts of lookalikes between now and the past that, if taken proper photos of, you wouldn't have any clue when they were from without knowing beforehand.