1. Always be prepared. “That means being used to the camera, making eye contact and being personable,” says Tarquin.2. Don’t be fazed by the competition. “For the average advert, there could have been between 3,000 and 5,000 submissions, so if you’ve made it to the audition, you’re now on a list of maybe 50 to 75 kids. You’ve done amazingly to get to this point. Remember, there will be other children there who may look or sound similar.to you, and maybe have the same skill set as you.