For the purposes of booking talent, Netflix shows are produced the same way any other shows are produced. They get their actors through casting directors who audition union actors by booking them through their agents.
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.