Where And How To Get Started Being a Working EXTRA
The best way to get started is to register with your local EXTRAS casting companies. Call them up; find out their hiring policies and when they see new people. Almost every major city has at least one casting agency that handles movies being filmed locally.
Also, contact your local Film Commission office or Entertainment Bureau for the names of Production Companies in your area.
But the best way is to sign up at one or more casting companies that handle the kind of extra you'd like to be. Some companies specialize in specific kinds of Extras. Kids, Size, demographic, talent etc.
How To Join a Casting Company
This is the best place for all newcomers to start. There is a one-time registration fee of $20. This is a fee that is well worth paying because of the work they will get you. You should expect to pay some small fee at many casting companies in Los Angeles. Never pay more than $100 to register and never pay a company that doesn't ask you about your wardrobe, special skills and talents.
When registering at any Casting company remember dress to impress. Be ready to supply all the necessary information regarding your wardrobe, measurements, skills and training. The more skills you have the more valuable you are.
Once registered, it is up to you to call the casting company daily to book your own work. This is a long process, but it's the best way to get work. You call a work hotline that describes the projects that are available and what they are looking for.
If you fit the qualifications, you will then be instructed to call a specific casting director. Call that person, who will pull up your file, and decide if you are right to work for the project. If they hire you, they will give you all the info you need, usually for work the next day. If they don't, you can keep calling the hotline until you are booked on a project.