 what to expect on set as an extra. You can be miscommunicated to sometimes it's last minute, sometimes there's just hundreds of people that are going to go be ready to have a different experience each time an email with information on where to park, where you'll be filming, what to bring, and your call time. They should have some kind of description in the email that they give you a box lunch or a pizza, but sometimes you'll get up a fey, you can just pile it on your plate long hours to meet other people. The extras will be held in holding and then set will be somewhere else. Expect to not be seen on camera, just be quiet in between takes late lunch to maybe encounter some people that are under a lot of pressure and super stress. Background is usually when the background actors or extras do their thing. You should bring your social security card, ID or your passport to verify that you are legally able to work as early as a week.