For smaller actors it’s a pay check like any other job. For bigger actors, they can sometimes get a percentage of the movies earnings. And they are payed by the film company, just like everyone else working on the movie.
Can I wear jeans to an audition?
You don’t need to dress like you’re going in for a corporate interview here. Your clothes shouldn’t be a wrinkled mess, but you also shouldn’t be wearing business attire to an audition. A good pair of jeans can go a long way, and it’s worth investing in a pair for auditions alone.