In order to collect benefits as an actor, you will need to join a union. There are many different unions, each specific to an acting area. For TV and film actors a popular union choice is SAG-AFTRA (Screen Actors Guild - American Federation of Television and Radio Artists). For theater actors, a good choice is AEA (Actors’ Equity Association).
This entitles you to health insurance, labor protection, job resources, crisis support, pension and retirement plans, and minimum rates. These are just some of the benefits that you can get as a union member. Others include overtime payments, accommodation, and more contract negotiation power. They will also enable you to get sick pay, holiday days, and more security if you feel as though you are being unfairly treated by your employer.
Being a member of SAG-AFTRA is also beneficial as their projects commonly pay much higher wages than non-union ones. Another added bonus is being given a specific audition time rather than just having to join a queue.