From Wikipedia, the free encyclopedia. Bob West (born June 25, 1956) is an American television actor best known as the voice of Barney in the hit children's show Barney & Friends. He has also appeared in several Barney-related shows such as concert tours. Out of all the voice actors of Barney, West's voice is the most well-known. As Barney, West's voice was used on the television series, in a 70 market radio show, on Multi-Platinum and Multi-Gold albums, for a feature film, for CBS and NBC pri...