Kenneth Ronald "Ken" Berry (born November 3, 1933) is an American sitcom actor, dancer and singer. Berry has appeared in multiple television shows, one with his friend and mentor, Andy Griffith. Berry starred in the successful comedies F Troop, The Andy Griffith Show spin-off Mayberry R.F.D., and The Carol Burnett Show spin-off Mama's Family. He also appeared on Broadway in The Billy Barnes Revue, has headlined as George M. Cohan in the musical George M! and provided comic relief for the medical drama Dr. Kildare, with Richard Chamberlain in the 1960s.