Plays a recorded message about Casting 360's line of work and then asks the caller to press 2 to be removed or press 1 to speak with an agent. Pressing 2 disconnects the call. Will call multiple times if ignored. They will also leave voicemail if allowed by the system.
Background research revealed that Casting 360 is a troubled organization with a ton of fraud complaints. If you really want to be in a movie, try Central Casting instead.