Ann Guilbert

Ann Morgan Guilbert (born October 16, 1928), sometimes credited as Ann Guilbert, is an American television and film actress, who portrayed a number of roles, from the 1950s on, most notably hyperactive neighbor Millie Helper in 61 episodes of the early 1960s sitcom The Dick Van Dyke Show, and later Yetta Rosenberg, Fran Fine's doddering grandmother, in 56 episodes of the 1990s sitcom The Nanny. She began her career as a featured performer and singer in the Billy Barnes Revues of the 1950s and 1960s.