Can a person copyright his/her voice? I predict that soon we will have Morgan Freeman narrating.. everything. He may not be OK with this. A quick search lead

Can a person copyright his/her voice? I predict that soon we will have Morgan Freeman narrating.. everything. He may not be OK with this. A quick search leads me to believe that it isn't: https://www.quora.com/Is-an-actors-voice-copyrightable?srid=aFcK&share=96fbf7ea https://www.quora.com/Is-an-actors-voice-copyrightable?srid=...