In general, you need a high school diploma.
You usually have to demonstrate your talent and ability at auditions.
To be an announcer or other broadcaster, you usually need a college radio or television arts diploma and may require training/experience. Announcers need specialized voice training.
Many performers acquire their training under the guidance of another performer.
You may need to be a member of a related guild or union.
Many recent entrants have a community college diploma.
Current affairs knowledge