Roger Carroll is well known in the Los Angeles area as a radio personality, beginning in 1948 at KABC radio in Hollywood. In 1959 he joined number one-rated, Gene Autry-owned KMPC radio in Hollywood. His KMPC radio program "The R.C. Get-Together" lasted until 1979 and was one of the most popular radio shows in Southern California. He was also the announcer for the Smothers Brothers Comedy Hour on CBS Television in the late 1960s.